Home / 3,780.24-5,670.33-1,471.74

Finding the Fourth Proportional to 3,780.24, 5,670.33 and 1,471.74

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Solution

The fourth proportional to 3,780.24, 5,670.33 and 1,471.74 is: 2,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.24 : 5,670.33 = 1,471.74 : x
  2. Step 2: Convert to fraction form
    3,780.24/5,670.33 = 1,471.74/x
  3. Step 3: Cross multiply
    3,780.24x = 5,670.33 × 1,471.74
  4. Step 4: Simplify right side
    3,780.24x = 8,345,251.47
  5. Step 5: Solve for x
    x = 8,345,251.47/3,780.24
  6. Step 6: Final answer
    x = 2,207.60

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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.