Home / 2,195.18-3,292.10-1,154.61

Finding the Fourth Proportional to 2,195.18, 3,292.10 and 1,154.61

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Solution

The fourth proportional to 2,195.18, 3,292.10 and 1,154.61 is: 1,731.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.18 : 3,292.10 = 1,154.61 : x
  2. Step 2: Convert to fraction form
    2,195.18/3,292.10 = 1,154.61/x
  3. Step 3: Cross multiply
    2,195.18x = 3,292.10 × 1,154.61
  4. Step 4: Simplify right side
    2,195.18x = 3,801,085.81
  5. Step 5: Solve for x
    x = 3,801,085.81/2,195.18
  6. Step 6: Final answer
    x = 1,731.56

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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.