Home / 3,213.67-4,432.17-2,549.47

Finding the Fourth Proportional to 3,213.67, 4,432.17 and 2,549.47

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Solution

The fourth proportional to 3,213.67, 4,432.17 and 2,549.47 is: 3,516.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.67 : 4,432.17 = 2,549.47 : x
  2. Step 2: Convert to fraction form
    3,213.67/4,432.17 = 2,549.47/x
  3. Step 3: Cross multiply
    3,213.67x = 4,432.17 × 2,549.47
  4. Step 4: Simplify right side
    3,213.67x = 11,299,684.45
  5. Step 5: Solve for x
    x = 11,299,684.45/3,213.67
  6. Step 6: Final answer
    x = 3,516.13

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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.