Home / 3,091.88-4,266.77-1,765.51

Finding the Fourth Proportional to 3,091.88, 4,266.77 and 1,765.51

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Solution

The fourth proportional to 3,091.88, 4,266.77 and 1,765.51 is: 2,436.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.88 : 4,266.77 = 1,765.51 : x
  2. Step 2: Convert to fraction form
    3,091.88/4,266.77 = 1,765.51/x
  3. Step 3: Cross multiply
    3,091.88x = 4,266.77 × 1,765.51
  4. Step 4: Simplify right side
    3,091.88x = 7,532,994.94
  5. Step 5: Solve for x
    x = 7,532,994.94/3,091.88
  6. Step 6: Final answer
    x = 2,436.38

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Find fourth proportional to 1,545.94, 2,133.38 and 882.75
Half scale
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Double scale
Find fourth proportional to 3,092.88, 4,268.14 and 1,766.51
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.