Home / 3,453.30-5,175.33-1,259.96

Finding the Fourth Proportional to 3,453.30, 5,175.33 and 1,259.96

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Solution

The fourth proportional to 3,453.30, 5,175.33 and 1,259.96 is: 1,888.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.30 : 5,175.33 = 1,259.96 : x
  2. Step 2: Convert to fraction form
    3,453.30/5,175.33 = 1,259.96/x
  3. Step 3: Cross multiply
    3,453.30x = 5,175.33 × 1,259.96
  4. Step 4: Simplify right side
    3,453.30x = 6,520,708.79
  5. Step 5: Solve for x
    x = 6,520,708.79/3,453.30
  6. Step 6: Final answer
    x = 1,888.25

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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.