Home / 3,449.56-5,174.33-1,257.39

Finding the Fourth Proportional to 3,449.56, 5,174.33 and 1,257.39

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Solution

The fourth proportional to 3,449.56, 5,174.33 and 1,257.39 is: 1,886.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.56 : 5,174.33 = 1,257.39 : x
  2. Step 2: Convert to fraction form
    3,449.56/5,174.33 = 1,257.39/x
  3. Step 3: Cross multiply
    3,449.56x = 5,174.33 × 1,257.39
  4. Step 4: Simplify right side
    3,449.56x = 6,506,150.80
  5. Step 5: Solve for x
    x = 6,506,150.80/3,449.56
  6. Step 6: Final answer
    x = 1,886.08

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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.