Home / 3,752.60-5,178.42-2,073.92

Finding the Fourth Proportional to 3,752.60, 5,178.42 and 2,073.92

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Solution

The fourth proportional to 3,752.60, 5,178.42 and 2,073.92 is: 2,861.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.60 : 5,178.42 = 2,073.92 : x
  2. Step 2: Convert to fraction form
    3,752.60/5,178.42 = 2,073.92/x
  3. Step 3: Cross multiply
    3,752.60x = 5,178.42 × 2,073.92
  4. Step 4: Simplify right side
    3,752.60x = 10,739,602.91
  5. Step 5: Solve for x
    x = 10,739,602.91/3,752.60
  6. Step 6: Final answer
    x = 2,861.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.