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Finding the Fourth Proportional to 2,283.44, 3,150.12 and 1,398.92

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Solution

The fourth proportional to 2,283.44, 3,150.12 and 1,398.92 is: 1,929.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,283.44 : 3,150.12 = 1,398.92 : x
  2. Step 2: Convert to fraction form
    2,283.44/3,150.12 = 1,398.92/x
  3. Step 3: Cross multiply
    2,283.44x = 3,150.12 × 1,398.92
  4. Step 4: Simplify right side
    2,283.44x = 4,406,765.87
  5. Step 5: Solve for x
    x = 4,406,765.87/2,283.44
  6. Step 6: Final answer
    x = 1,929.88

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