Home / 3,726.76-5,586.90-1,876.32

Finding the Fourth Proportional to 3,726.76, 5,586.90 and 1,876.32

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Solution

The fourth proportional to 3,726.76, 5,586.90 and 1,876.32 is: 2,812.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.76 : 5,586.90 = 1,876.32 : x
  2. Step 2: Convert to fraction form
    3,726.76/5,586.90 = 1,876.32/x
  3. Step 3: Cross multiply
    3,726.76x = 5,586.90 × 1,876.32
  4. Step 4: Simplify right side
    3,726.76x = 10,482,812.21
  5. Step 5: Solve for x
    x = 10,482,812.21/3,726.76
  6. Step 6: Final answer
    x = 2,812.85

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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.