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Finding the Fourth Proportional to 2,937.72, 4,409.68 and 1,550.71

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Solution

The fourth proportional to 2,937.72, 4,409.68 and 1,550.71 is: 2,327.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.72 : 4,409.68 = 1,550.71 : x
  2. Step 2: Convert to fraction form
    2,937.72/4,409.68 = 1,550.71/x
  3. Step 3: Cross multiply
    2,937.72x = 4,409.68 × 1,550.71
  4. Step 4: Simplify right side
    2,937.72x = 6,838,134.87
  5. Step 5: Solve for x
    x = 6,838,134.87/2,937.72
  6. Step 6: Final answer
    x = 2,327.70

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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.