Home / 3,712.28-5,565.99-1,518.80

Finding the Fourth Proportional to 3,712.28, 5,565.99 and 1,518.80

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Solution

The fourth proportional to 3,712.28, 5,565.99 and 1,518.80 is: 2,277.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.28 : 5,565.99 = 1,518.80 : x
  2. Step 2: Convert to fraction form
    3,712.28/5,565.99 = 1,518.80/x
  3. Step 3: Cross multiply
    3,712.28x = 5,565.99 × 1,518.80
  4. Step 4: Simplify right side
    3,712.28x = 8,453,625.61
  5. Step 5: Solve for x
    x = 8,453,625.61/3,712.28
  6. Step 6: Final answer
    x = 2,277.21

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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.