Home / 3,515.17-5,270.76-1,432.74

Finding the Fourth Proportional to 3,515.17, 5,270.76 and 1,432.74

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Solution

The fourth proportional to 3,515.17, 5,270.76 and 1,432.74 is: 2,148.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.17 : 5,270.76 = 1,432.74 : x
  2. Step 2: Convert to fraction form
    3,515.17/5,270.76 = 1,432.74/x
  3. Step 3: Cross multiply
    3,515.17x = 5,270.76 × 1,432.74
  4. Step 4: Simplify right side
    3,515.17x = 7,551,618.19
  5. Step 5: Solve for x
    x = 7,551,618.19/3,515.17
  6. Step 6: Final answer
    x = 2,148.29

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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.