Home / 3,830.31-5,722.19-2,432.45

Finding the Fourth Proportional to 3,830.31, 5,722.19 and 2,432.45

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Solution

The fourth proportional to 3,830.31, 5,722.19 and 2,432.45 is: 3,633.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830.31 : 5,722.19 = 2,432.45 : x
  2. Step 2: Convert to fraction form
    3,830.31/5,722.19 = 2,432.45/x
  3. Step 3: Cross multiply
    3,830.31x = 5,722.19 × 2,432.45
  4. Step 4: Simplify right side
    3,830.31x = 13,918,900.29
  5. Step 5: Solve for x
    x = 13,918,900.29/3,830.31
  6. Step 6: Final answer
    x = 3,633.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.