Home / 2,299.86-3,173.82-1,251.92

Finding the Fourth Proportional to 2,299.86, 3,173.82 and 1,251.92

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Solution

The fourth proportional to 2,299.86, 3,173.82 and 1,251.92 is: 1,727.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.86 : 3,173.82 = 1,251.92 : x
  2. Step 2: Convert to fraction form
    2,299.86/3,173.82 = 1,251.92/x
  3. Step 3: Cross multiply
    2,299.86x = 3,173.82 × 1,251.92
  4. Step 4: Simplify right side
    2,299.86x = 3,973,368.73
  5. Step 5: Solve for x
    x = 3,973,368.73/2,299.86
  6. Step 6: Final answer
    x = 1,727.66

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1.5x scale

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.