Home / 3,932.55-5,899.64-1,158.99

Finding the Fourth Proportional to 3,932.55, 5,899.64 and 1,158.99

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Solution

The fourth proportional to 3,932.55, 5,899.64 and 1,158.99 is: 1,738.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932.55 : 5,899.64 = 1,158.99 : x
  2. Step 2: Convert to fraction form
    3,932.55/5,899.64 = 1,158.99/x
  3. Step 3: Cross multiply
    3,932.55x = 5,899.64 × 1,158.99
  4. Step 4: Simplify right side
    3,932.55x = 6,837,617.97
  5. Step 5: Solve for x
    x = 6,837,617.97/3,932.55
  6. Step 6: Final answer
    x = 1,738.72

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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.