Home / 2,262.64-3,122.17-1,318.59

Finding the Fourth Proportional to 2,262.64, 3,122.17 and 1,318.59

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Solution

The fourth proportional to 2,262.64, 3,122.17 and 1,318.59 is: 1,819.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.64 : 3,122.17 = 1,318.59 : x
  2. Step 2: Convert to fraction form
    2,262.64/3,122.17 = 1,318.59/x
  3. Step 3: Cross multiply
    2,262.64x = 3,122.17 × 1,318.59
  4. Step 4: Simplify right side
    2,262.64x = 4,116,862.14
  5. Step 5: Solve for x
    x = 4,116,862.14/2,262.64
  6. Step 6: Final answer
    x = 1,819.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.