Home / 3,531.32-5,298.71-1,422.86

Finding the Fourth Proportional to 3,531.32, 5,298.71 and 1,422.86

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Solution

The fourth proportional to 3,531.32, 5,298.71 and 1,422.86 is: 2,134.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.32 : 5,298.71 = 1,422.86 : x
  2. Step 2: Convert to fraction form
    3,531.32/5,298.71 = 1,422.86/x
  3. Step 3: Cross multiply
    3,531.32x = 5,298.71 × 1,422.86
  4. Step 4: Simplify right side
    3,531.32x = 7,539,302.15
  5. Step 5: Solve for x
    x = 7,539,302.15/3,531.32
  6. Step 6: Final answer
    x = 2,134.98

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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.