Home / 3,132.36-4,318.06-2,385.02

Finding the Fourth Proportional to 3,132.36, 4,318.06 and 2,385.02

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Solution

The fourth proportional to 3,132.36, 4,318.06 and 2,385.02 is: 3,287.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.36 : 4,318.06 = 2,385.02 : x
  2. Step 2: Convert to fraction form
    3,132.36/4,318.06 = 2,385.02/x
  3. Step 3: Cross multiply
    3,132.36x = 4,318.06 × 2,385.02
  4. Step 4: Simplify right side
    3,132.36x = 10,298,659.46
  5. Step 5: Solve for x
    x = 10,298,659.46/3,132.36
  6. Step 6: Final answer
    x = 3,287.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.