Home / 1,043.34-1,431.33-1,016.11

Finding the Fourth Proportional to 1,043.34, 1,431.33 and 1,016.11

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Solution

The fourth proportional to 1,043.34, 1,431.33 and 1,016.11 is: 1,393.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043.34 : 1,431.33 = 1,016.11 : x
  2. Step 2: Convert to fraction form
    1,043.34/1,431.33 = 1,016.11/x
  3. Step 3: Cross multiply
    1,043.34x = 1,431.33 × 1,016.11
  4. Step 4: Simplify right side
    1,043.34x = 1,454,388.73
  5. Step 5: Solve for x
    x = 1,454,388.73/1,043.34
  6. Step 6: Final answer
    x = 1,393.97

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.