Home / 1,491.22-2,233.16-1,229.62

Finding the Fourth Proportional to 1,491.22, 2,233.16 and 1,229.62

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Solution

The fourth proportional to 1,491.22, 2,233.16 and 1,229.62 is: 1,841.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491.22 : 2,233.16 = 1,229.62 : x
  2. Step 2: Convert to fraction form
    1,491.22/2,233.16 = 1,229.62/x
  3. Step 3: Cross multiply
    1,491.22x = 2,233.16 × 1,229.62
  4. Step 4: Simplify right side
    1,491.22x = 2,745,938.20
  5. Step 5: Solve for x
    x = 2,745,938.20/1,491.22
  6. Step 6: Final answer
    x = 1,841.40

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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.