Home / 3,577.28-5,366.25-1,237.55

Finding the Fourth Proportional to 3,577.28, 5,366.25 and 1,237.55

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Solution

The fourth proportional to 3,577.28, 5,366.25 and 1,237.55 is: 1,856.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.28 : 5,366.25 = 1,237.55 : x
  2. Step 2: Convert to fraction form
    3,577.28/5,366.25 = 1,237.55/x
  3. Step 3: Cross multiply
    3,577.28x = 5,366.25 × 1,237.55
  4. Step 4: Simplify right side
    3,577.28x = 6,640,975.86
  5. Step 5: Solve for x
    x = 6,640,975.86/3,577.28
  6. Step 6: Final answer
    x = 1,856.43

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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.