Home / 1,376.32-2,063.52-1,046.96

Finding the Fourth Proportional to 1,376.32, 2,063.52 and 1,046.96

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Solution

The fourth proportional to 1,376.32, 2,063.52 and 1,046.96 is: 1,569.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376.32 : 2,063.52 = 1,046.96 : x
  2. Step 2: Convert to fraction form
    1,376.32/2,063.52 = 1,046.96/x
  3. Step 3: Cross multiply
    1,376.32x = 2,063.52 × 1,046.96
  4. Step 4: Simplify right side
    1,376.32x = 2,160,422.90
  5. Step 5: Solve for x
    x = 2,160,422.90/1,376.32
  6. Step 6: Final answer
    x = 1,569.71

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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.