Home / 3,347.30-5,019.08-1,372.39

Finding the Fourth Proportional to 3,347.30, 5,019.08 and 1,372.39

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Solution

The fourth proportional to 3,347.30, 5,019.08 and 1,372.39 is: 2,057.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.30 : 5,019.08 = 1,372.39 : x
  2. Step 2: Convert to fraction form
    3,347.30/5,019.08 = 1,372.39/x
  3. Step 3: Cross multiply
    3,347.30x = 5,019.08 × 1,372.39
  4. Step 4: Simplify right side
    3,347.30x = 6,888,115.79
  5. Step 5: Solve for x
    x = 6,888,115.79/3,347.30
  6. Step 6: Final answer
    x = 2,057.81

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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.