Home / 3,045.80-4,192.29-2,542.76

Finding the Fourth Proportional to 3,045.80, 4,192.29 and 2,542.76

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Solution

The fourth proportional to 3,045.80, 4,192.29 and 2,542.76 is: 3,499.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.80 : 4,192.29 = 2,542.76 : x
  2. Step 2: Convert to fraction form
    3,045.80/4,192.29 = 2,542.76/x
  3. Step 3: Cross multiply
    3,045.80x = 4,192.29 × 2,542.76
  4. Step 4: Simplify right side
    3,045.80x = 10,659,987.32
  5. Step 5: Solve for x
    x = 10,659,987.32/3,045.80
  6. Step 6: Final answer
    x = 3,499.90

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Half scale
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Double scale
Find fourth proportional to 3,046.80, 4,193.67 and 2,543.76
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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.