Home / 3,613.09-4,990.17-2,432.11

Finding the Fourth Proportional to 3,613.09, 4,990.17 and 2,432.11

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Solution

The fourth proportional to 3,613.09, 4,990.17 and 2,432.11 is: 3,359.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.09 : 4,990.17 = 2,432.11 : x
  2. Step 2: Convert to fraction form
    3,613.09/4,990.17 = 2,432.11/x
  3. Step 3: Cross multiply
    3,613.09x = 4,990.17 × 2,432.11
  4. Step 4: Simplify right side
    3,613.09x = 12,136,642.36
  5. Step 5: Solve for x
    x = 12,136,642.36/3,613.09
  6. Step 6: Final answer
    x = 3,359.08

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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.