Home / 2,531.22-3,489.66-1,692.06

Finding the Fourth Proportional to 2,531.22, 3,489.66 and 1,692.06

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Solution

The fourth proportional to 2,531.22, 3,489.66 and 1,692.06 is: 2,332.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531.22 : 3,489.66 = 1,692.06 : x
  2. Step 2: Convert to fraction form
    2,531.22/3,489.66 = 1,692.06/x
  3. Step 3: Cross multiply
    2,531.22x = 3,489.66 × 1,692.06
  4. Step 4: Simplify right side
    2,531.22x = 5,904,714.10
  5. Step 5: Solve for x
    x = 5,904,714.10/2,531.22
  6. Step 6: Final answer
    x = 2,332.75

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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.