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Finding the Fourth Proportional to 2,520.81, 3,773.13 and 1,347.88

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Solution

The fourth proportional to 2,520.81, 3,773.13 and 1,347.88 is: 2,017.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520.81 : 3,773.13 = 1,347.88 : x
  2. Step 2: Convert to fraction form
    2,520.81/3,773.13 = 1,347.88/x
  3. Step 3: Cross multiply
    2,520.81x = 3,773.13 × 1,347.88
  4. Step 4: Simplify right side
    2,520.81x = 5,085,737.25
  5. Step 5: Solve for x
    x = 5,085,737.25/2,520.81
  6. Step 6: Final answer
    x = 2,017.50

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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.