Home / 3,531.20-4,867.04-2,680.16

Finding the Fourth Proportional to 3,531.20, 4,867.04 and 2,680.16

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Solution

The fourth proportional to 3,531.20, 4,867.04 and 2,680.16 is: 3,694.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.20 : 4,867.04 = 2,680.16 : x
  2. Step 2: Convert to fraction form
    3,531.20/4,867.04 = 2,680.16/x
  3. Step 3: Cross multiply
    3,531.20x = 4,867.04 × 2,680.16
  4. Step 4: Simplify right side
    3,531.20x = 13,044,445.93
  5. Step 5: Solve for x
    x = 13,044,445.93/3,531.20
  6. Step 6: Final answer
    x = 3,694.05

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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.