Home / 3,642.26-5,463.40-1,177.30

Finding the Fourth Proportional to 3,642.26, 5,463.40 and 1,177.30

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Solution

The fourth proportional to 3,642.26, 5,463.40 and 1,177.30 is: 1,765.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.26 : 5,463.40 = 1,177.30 : x
  2. Step 2: Convert to fraction form
    3,642.26/5,463.40 = 1,177.30/x
  3. Step 3: Cross multiply
    3,642.26x = 5,463.40 × 1,177.30
  4. Step 4: Simplify right side
    3,642.26x = 6,432,060.82
  5. Step 5: Solve for x
    x = 6,432,060.82/3,642.26
  6. Step 6: Final answer
    x = 1,765.95

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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.