Home / 2,249.15-3,374.09-1,275.71

Finding the Fourth Proportional to 2,249.15, 3,374.09 and 1,275.71

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Solution

The fourth proportional to 2,249.15, 3,374.09 and 1,275.71 is: 1,913.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.15 : 3,374.09 = 1,275.71 : x
  2. Step 2: Convert to fraction form
    2,249.15/3,374.09 = 1,275.71/x
  3. Step 3: Cross multiply
    2,249.15x = 3,374.09 × 1,275.71
  4. Step 4: Simplify right side
    2,249.15x = 4,304,360.35
  5. Step 5: Solve for x
    x = 4,304,360.35/2,249.15
  6. Step 6: Final answer
    x = 1,913.77

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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.