Home / 3,780.28-5,672.58-1,471.24

Finding the Fourth Proportional to 3,780.28, 5,672.58 and 1,471.24

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Solution

The fourth proportional to 3,780.28, 5,672.58 and 1,471.24 is: 2,207.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.28 : 5,672.58 = 1,471.24 : x
  2. Step 2: Convert to fraction form
    3,780.28/5,672.58 = 1,471.24/x
  3. Step 3: Cross multiply
    3,780.28x = 5,672.58 × 1,471.24
  4. Step 4: Simplify right side
    3,780.28x = 8,345,726.60
  5. Step 5: Solve for x
    x = 8,345,726.60/3,780.28
  6. Step 6: Final answer
    x = 2,207.70

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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.