Home / 2,520.45-3,781.08-1,134.27

Finding the Fourth Proportional to 2,520.45, 3,781.08 and 1,134.27

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Solution

The fourth proportional to 2,520.45, 3,781.08 and 1,134.27 is: 1,701.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520.45 : 3,781.08 = 1,134.27 : x
  2. Step 2: Convert to fraction form
    2,520.45/3,781.08 = 1,134.27/x
  3. Step 3: Cross multiply
    2,520.45x = 3,781.08 × 1,134.27
  4. Step 4: Simplify right side
    2,520.45x = 4,288,765.61
  5. Step 5: Solve for x
    x = 4,288,765.61/2,520.45
  6. Step 6: Final answer
    x = 1,701.59

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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.