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Finding the Fourth Proportional to 1,934.16, 2,898.92 and 892.71

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Solution

The fourth proportional to 1,934.16, 2,898.92 and 892.71 is: 1,337.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.16 : 2,898.92 = 892.71 : x
  2. Step 2: Convert to fraction form
    1,934.16/2,898.92 = 892.71/x
  3. Step 3: Cross multiply
    1,934.16x = 2,898.92 × 892.71
  4. Step 4: Simplify right side
    1,934.16x = 2,587,890.41
  5. Step 5: Solve for x
    x = 2,587,890.41/1,934.16
  6. Step 6: Final answer
    x = 1,337.99

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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.