Home / 2,299.80-3,173.73-1,251.86

Finding the Fourth Proportional to 2,299.80, 3,173.73 and 1,251.86

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Solution

The fourth proportional to 2,299.80, 3,173.73 and 1,251.86 is: 1,727.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.80 : 3,173.73 = 1,251.86 : x
  2. Step 2: Convert to fraction form
    2,299.80/3,173.73 = 1,251.86/x
  3. Step 3: Cross multiply
    2,299.80x = 3,173.73 × 1,251.86
  4. Step 4: Simplify right side
    2,299.80x = 3,973,065.64
  5. Step 5: Solve for x
    x = 3,973,065.64/2,299.80
  6. Step 6: Final answer
    x = 1,727.57

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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.