Home / 2,531.97-3,494.21-1,412.87

Finding the Fourth Proportional to 2,531.97, 3,494.21 and 1,412.87

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Solution

The fourth proportional to 2,531.97, 3,494.21 and 1,412.87 is: 1,949.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531.97 : 3,494.21 = 1,412.87 : x
  2. Step 2: Convert to fraction form
    2,531.97/3,494.21 = 1,412.87/x
  3. Step 3: Cross multiply
    2,531.97x = 3,494.21 × 1,412.87
  4. Step 4: Simplify right side
    2,531.97x = 4,936,839.95
  5. Step 5: Solve for x
    x = 4,936,839.95/2,531.97
  6. Step 6: Final answer
    x = 1,949.80

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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.