Home / 3,087.28-4,631.52-1,332.28

Finding the Fourth Proportional to 3,087.28, 4,631.52 and 1,332.28

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Solution

The fourth proportional to 3,087.28, 4,631.52 and 1,332.28 is: 1,998.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.28 : 4,631.52 = 1,332.28 : x
  2. Step 2: Convert to fraction form
    3,087.28/4,631.52 = 1,332.28/x
  3. Step 3: Cross multiply
    3,087.28x = 4,631.52 × 1,332.28
  4. Step 4: Simplify right side
    3,087.28x = 6,170,481.47
  5. Step 5: Solve for x
    x = 6,170,481.47/3,087.28
  6. Step 6: Final answer
    x = 1,998.68

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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.