Home / 2,379.92-3,284.36-1,332.16

Finding the Fourth Proportional to 2,379.92, 3,284.36 and 1,332.16

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Solution

The fourth proportional to 2,379.92, 3,284.36 and 1,332.16 is: 1,838.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.92 : 3,284.36 = 1,332.16 : x
  2. Step 2: Convert to fraction form
    2,379.92/3,284.36 = 1,332.16/x
  3. Step 3: Cross multiply
    2,379.92x = 3,284.36 × 1,332.16
  4. Step 4: Simplify right side
    2,379.92x = 4,375,293.02
  5. Step 5: Solve for x
    x = 4,375,293.02/2,379.92
  6. Step 6: Final answer
    x = 1,838.42

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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.