Home / 3,126.27-4,690.17-934.99

Finding the Fourth Proportional to 3,126.27, 4,690.17 and 934.99

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Solution

The fourth proportional to 3,126.27, 4,690.17 and 934.99 is: 1,402.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.27 : 4,690.17 = 934.99 : x
  2. Step 2: Convert to fraction form
    3,126.27/4,690.17 = 934.99/x
  3. Step 3: Cross multiply
    3,126.27x = 4,690.17 × 934.99
  4. Step 4: Simplify right side
    3,126.27x = 4,385,262.05
  5. Step 5: Solve for x
    x = 4,385,262.05/3,126.27
  6. Step 6: Final answer
    x = 1,402.71

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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.