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Finding the Fourth Proportional to 3,143.22, 4,715.07 and 952.11

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Solution

The fourth proportional to 3,143.22, 4,715.07 and 952.11 is: 1,428.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.22 : 4,715.07 = 952.11 : x
  2. Step 2: Convert to fraction form
    3,143.22/4,715.07 = 952.11/x
  3. Step 3: Cross multiply
    3,143.22x = 4,715.07 × 952.11
  4. Step 4: Simplify right side
    3,143.22x = 4,489,265.30
  5. Step 5: Solve for x
    x = 4,489,265.30/3,143.22
  6. Step 6: Final answer
    x = 1,428.24

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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.