Home / 3,452.70-5,178.31-1,112.91

Finding the Fourth Proportional to 3,452.70, 5,178.31 and 1,112.91

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Solution

The fourth proportional to 3,452.70, 5,178.31 and 1,112.91 is: 1,669.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,452.70 : 5,178.31 = 1,112.91 : x
  2. Step 2: Convert to fraction form
    3,452.70/5,178.31 = 1,112.91/x
  3. Step 3: Cross multiply
    3,452.70x = 5,178.31 × 1,112.91
  4. Step 4: Simplify right side
    3,452.70x = 5,762,992.98
  5. Step 5: Solve for x
    x = 5,762,992.98/3,452.70
  6. Step 6: Final answer
    x = 1,669.13

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1.5x scale

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.