Home / 3,088.01-4,261.56-1,690.76

Finding the Fourth Proportional to 3,088.01, 4,261.56 and 1,690.76

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Solution

The fourth proportional to 3,088.01, 4,261.56 and 1,690.76 is: 2,333.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.01 : 4,261.56 = 1,690.76 : x
  2. Step 2: Convert to fraction form
    3,088.01/4,261.56 = 1,690.76/x
  3. Step 3: Cross multiply
    3,088.01x = 4,261.56 × 1,690.76
  4. Step 4: Simplify right side
    3,088.01x = 7,205,275.19
  5. Step 5: Solve for x
    x = 7,205,275.19/3,088.01
  6. Step 6: Final answer
    x = 2,333.31

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Half scale
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Double scale
Find fourth proportional to 3,089.01, 4,262.94 and 1,691.76
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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.