Home / 2,802.11-4,203.17-2,641.73

Finding the Fourth Proportional to 2,802.11, 4,203.17 and 2,641.73

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Solution

The fourth proportional to 2,802.11, 4,203.17 and 2,641.73 is: 3,962.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.11 : 4,203.17 = 2,641.73 : x
  2. Step 2: Convert to fraction form
    2,802.11/4,203.17 = 2,641.73/x
  3. Step 3: Cross multiply
    2,802.11x = 4,203.17 × 2,641.73
  4. Step 4: Simplify right side
    2,802.11x = 11,103,640.28
  5. Step 5: Solve for x
    x = 11,103,640.28/2,802.11
  6. Step 6: Final answer
    x = 3,962.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.