Home / 2,073.60-3,108.85-1,251.70

Finding the Fourth Proportional to 2,073.60, 3,108.85 and 1,251.70

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Solution

The fourth proportional to 2,073.60, 3,108.85 and 1,251.70 is: 1,876.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,073.60 : 3,108.85 = 1,251.70 : x
  2. Step 2: Convert to fraction form
    2,073.60/3,108.85 = 1,251.70/x
  3. Step 3: Cross multiply
    2,073.60x = 3,108.85 × 1,251.70
  4. Step 4: Simplify right side
    2,073.60x = 3,891,336.64
  5. Step 5: Solve for x
    x = 3,891,336.64/2,073.60
  6. Step 6: Final answer
    x = 1,876.61

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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.