Home / 2,810.88-3,869.28-2,432.61

Finding the Fourth Proportional to 2,810.88, 3,869.28 and 2,432.61

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Solution

The fourth proportional to 2,810.88, 3,869.28 and 2,432.61 is: 3,348.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.88 : 3,869.28 = 2,432.61 : x
  2. Step 2: Convert to fraction form
    2,810.88/3,869.28 = 2,432.61/x
  3. Step 3: Cross multiply
    2,810.88x = 3,869.28 × 2,432.61
  4. Step 4: Simplify right side
    2,810.88x = 9,412,449.22
  5. Step 5: Solve for x
    x = 9,412,449.22/2,810.88
  6. Step 6: Final answer
    x = 3,348.58

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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.