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Finding the Fourth Proportional to 3,411.54, 4,687.52 and 2,711.70

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Solution

The fourth proportional to 3,411.54, 4,687.52 and 2,711.70 is: 3,725.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.54 : 4,687.52 = 2,711.70 : x
  2. Step 2: Convert to fraction form
    3,411.54/4,687.52 = 2,711.70/x
  3. Step 3: Cross multiply
    3,411.54x = 4,687.52 × 2,711.70
  4. Step 4: Simplify right side
    3,411.54x = 12,711,147.98
  5. Step 5: Solve for x
    x = 12,711,147.98/3,411.54
  6. Step 6: Final answer
    x = 3,725.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.