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Finding the Fourth Proportional to 3,248.91, 4,874.18 and 940.41

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Solution

The fourth proportional to 3,248.91, 4,874.18 and 940.41 is: 1,410.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.91 : 4,874.18 = 940.41 : x
  2. Step 2: Convert to fraction form
    3,248.91/4,874.18 = 940.41/x
  3. Step 3: Cross multiply
    3,248.91x = 4,874.18 × 940.41
  4. Step 4: Simplify right side
    3,248.91x = 4,583,722.91
  5. Step 5: Solve for x
    x = 4,583,722.91/3,248.91
  6. Step 6: Final answer
    x = 1,410.85

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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.