Home / 2,262.53-3,387.32-1,390.97

Finding the Fourth Proportional to 2,262.53, 3,387.32 and 1,390.97

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Solution

The fourth proportional to 2,262.53, 3,387.32 and 1,390.97 is: 2,082.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.53 : 3,387.32 = 1,390.97 : x
  2. Step 2: Convert to fraction form
    2,262.53/3,387.32 = 1,390.97/x
  3. Step 3: Cross multiply
    2,262.53x = 3,387.32 × 1,390.97
  4. Step 4: Simplify right side
    2,262.53x = 4,711,667.23
  5. Step 5: Solve for x
    x = 4,711,667.23/2,262.53
  6. Step 6: Final answer
    x = 2,082.47

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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.