Home / 2,177.43-3,266.15-1,531.05

Finding the Fourth Proportional to 2,177.43, 3,266.15 and 1,531.05

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Solution

The fourth proportional to 2,177.43, 3,266.15 and 1,531.05 is: 2,296.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.43 : 3,266.15 = 1,531.05 : x
  2. Step 2: Convert to fraction form
    2,177.43/3,266.15 = 1,531.05/x
  3. Step 3: Cross multiply
    2,177.43x = 3,266.15 × 1,531.05
  4. Step 4: Simplify right side
    2,177.43x = 5,000,631.30
  5. Step 5: Solve for x
    x = 5,000,631.30/2,177.43
  6. Step 6: Final answer
    x = 2,296.58

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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.