Home / 2,164.94-3,247.75-932.70

Finding the Fourth Proportional to 2,164.94, 3,247.75 and 932.70

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Solution

The fourth proportional to 2,164.94, 3,247.75 and 932.70 is: 1,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164.94 : 3,247.75 = 932.70 : x
  2. Step 2: Convert to fraction form
    2,164.94/3,247.75 = 932.70/x
  3. Step 3: Cross multiply
    2,164.94x = 3,247.75 × 932.70
  4. Step 4: Simplify right side
    2,164.94x = 3,029,185.86
  5. Step 5: Solve for x
    x = 3,029,185.86/2,164.94
  6. Step 6: Final answer
    x = 1,399.20

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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.