Home / 3,752.28-5,178.30-2,073.90

Finding the Fourth Proportional to 3,752.28, 5,178.30 and 2,073.90

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Solution

The fourth proportional to 3,752.28, 5,178.30 and 2,073.90 is: 2,862.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.28 : 5,178.30 = 2,073.90 : x
  2. Step 2: Convert to fraction form
    3,752.28/5,178.30 = 2,073.90/x
  3. Step 3: Cross multiply
    3,752.28x = 5,178.30 × 2,073.90
  4. Step 4: Simplify right side
    3,752.28x = 10,739,276.37
  5. Step 5: Solve for x
    x = 10,739,276.37/3,752.28
  6. Step 6: Final answer
    x = 2,862.07

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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.