Home / 1,395.12-2,093.22-932.88

Finding the Fourth Proportional to 1,395.12, 2,093.22 and 932.88

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Solution

The fourth proportional to 1,395.12, 2,093.22 and 932.88 is: 1,399.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395.12 : 2,093.22 = 932.88 : x
  2. Step 2: Convert to fraction form
    1,395.12/2,093.22 = 932.88/x
  3. Step 3: Cross multiply
    1,395.12x = 2,093.22 × 932.88
  4. Step 4: Simplify right side
    1,395.12x = 1,952,723.07
  5. Step 5: Solve for x
    x = 1,952,723.07/1,395.12
  6. Step 6: Final answer
    x = 1,399.68

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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.