Home / 1,285.32-1,932.27-1,043.54

Finding the Fourth Proportional to 1,285.32, 1,932.27 and 1,043.54

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Solution

The fourth proportional to 1,285.32, 1,932.27 and 1,043.54 is: 1,568.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285.32 : 1,932.27 = 1,043.54 : x
  2. Step 2: Convert to fraction form
    1,285.32/1,932.27 = 1,043.54/x
  3. Step 3: Cross multiply
    1,285.32x = 1,932.27 × 1,043.54
  4. Step 4: Simplify right side
    1,285.32x = 2,016,401.04
  5. Step 5: Solve for x
    x = 2,016,401.04/1,285.32
  6. Step 6: Final answer
    x = 1,568.79

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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.