Home / 2,627.08-3,942.14-1,531.88

Finding the Fourth Proportional to 2,627.08, 3,942.14 and 1,531.88

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Solution

The fourth proportional to 2,627.08, 3,942.14 and 1,531.88 is: 2,298.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,627.08 : 3,942.14 = 1,531.88 : x
  2. Step 2: Convert to fraction form
    2,627.08/3,942.14 = 1,531.88/x
  3. Step 3: Cross multiply
    2,627.08x = 3,942.14 × 1,531.88
  4. Step 4: Simplify right side
    2,627.08x = 6,038,885.42
  5. Step 5: Solve for x
    x = 6,038,885.42/2,627.08
  6. Step 6: Final answer
    x = 2,298.71

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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.