Home / 2,297.86-3,171.08-1,249.92

Finding the Fourth Proportional to 2,297.86, 3,171.08 and 1,249.92

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Solution

The fourth proportional to 2,297.86, 3,171.08 and 1,249.92 is: 1,724.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,297.86 : 3,171.08 = 1,249.92 : x
  2. Step 2: Convert to fraction form
    2,297.86/3,171.08 = 1,249.92/x
  3. Step 3: Cross multiply
    2,297.86x = 3,171.08 × 1,249.92
  4. Step 4: Simplify right side
    2,297.86x = 3,963,590.06
  5. Step 5: Solve for x
    x = 3,963,590.06/2,297.86
  6. Step 6: Final answer
    x = 1,724.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.