Home / 2,148.57-3,217.28-1,492.47

Finding the Fourth Proportional to 2,148.57, 3,217.28 and 1,492.47

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Solution

The fourth proportional to 2,148.57, 3,217.28 and 1,492.47 is: 2,234.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.57 : 3,217.28 = 1,492.47 : x
  2. Step 2: Convert to fraction form
    2,148.57/3,217.28 = 1,492.47/x
  3. Step 3: Cross multiply
    2,148.57x = 3,217.28 × 1,492.47
  4. Step 4: Simplify right side
    2,148.57x = 4,801,686.42
  5. Step 5: Solve for x
    x = 4,801,686.42/2,148.57
  6. Step 6: Final answer
    x = 2,234.83

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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.