Home / 2,087.91-3,132.45-1,046.65

Finding the Fourth Proportional to 2,087.91, 3,132.45 and 1,046.65

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Solution

The fourth proportional to 2,087.91, 3,132.45 and 1,046.65 is: 1,570.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087.91 : 3,132.45 = 1,046.65 : x
  2. Step 2: Convert to fraction form
    2,087.91/3,132.45 = 1,046.65/x
  3. Step 3: Cross multiply
    2,087.91x = 3,132.45 × 1,046.65
  4. Step 4: Simplify right side
    2,087.91x = 3,278,578.79
  5. Step 5: Solve for x
    x = 3,278,578.79/2,087.91
  6. Step 6: Final answer
    x = 1,570.27

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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.