Home / 2,198.61-3,292.95-1,543.38

Finding the Fourth Proportional to 2,198.61, 3,292.95 and 1,543.38

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Solution

The fourth proportional to 2,198.61, 3,292.95 and 1,543.38 is: 2,311.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.61 : 3,292.95 = 1,543.38 : x
  2. Step 2: Convert to fraction form
    2,198.61/3,292.95 = 1,543.38/x
  3. Step 3: Cross multiply
    2,198.61x = 3,292.95 × 1,543.38
  4. Step 4: Simplify right side
    2,198.61x = 5,082,273.17
  5. Step 5: Solve for x
    x = 5,082,273.17/2,198.61
  6. Step 6: Final answer
    x = 2,311.58

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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.