Home / 2,839.32-4,249.73-1,521.18

Finding the Fourth Proportional to 2,839.32, 4,249.73 and 1,521.18

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Solution

The fourth proportional to 2,839.32, 4,249.73 and 1,521.18 is: 2,276.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839.32 : 4,249.73 = 1,521.18 : x
  2. Step 2: Convert to fraction form
    2,839.32/4,249.73 = 1,521.18/x
  3. Step 3: Cross multiply
    2,839.32x = 4,249.73 × 1,521.18
  4. Step 4: Simplify right side
    2,839.32x = 6,464,608.08
  5. Step 5: Solve for x
    x = 6,464,608.08/2,839.32
  6. Step 6: Final answer
    x = 2,276.82

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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.