Home / 2,305.12-3,458.72-1,251.26

Finding the Fourth Proportional to 2,305.12, 3,458.72 and 1,251.26

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Solution

The fourth proportional to 2,305.12, 3,458.72 and 1,251.26 is: 1,877.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.12 : 3,458.72 = 1,251.26 : x
  2. Step 2: Convert to fraction form
    2,305.12/3,458.72 = 1,251.26/x
  3. Step 3: Cross multiply
    2,305.12x = 3,458.72 × 1,251.26
  4. Step 4: Simplify right side
    2,305.12x = 4,327,757.99
  5. Step 5: Solve for x
    x = 4,327,757.99/2,305.12
  6. Step 6: Final answer
    x = 1,877.45

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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.