Home / 3,422.52-5,132.43-1,863.81

Finding the Fourth Proportional to 3,422.52, 5,132.43 and 1,863.81

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Solution

The fourth proportional to 3,422.52, 5,132.43 and 1,863.81 is: 2,794.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.52 : 5,132.43 = 1,863.81 : x
  2. Step 2: Convert to fraction form
    3,422.52/5,132.43 = 1,863.81/x
  3. Step 3: Cross multiply
    3,422.52x = 5,132.43 × 1,863.81
  4. Step 4: Simplify right side
    3,422.52x = 9,565,874.36
  5. Step 5: Solve for x
    x = 9,565,874.36/3,422.52
  6. Step 6: Final answer
    x = 2,794.98

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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.