Home / 3,452.60-5,178.18-1,260.56

Finding the Fourth Proportional to 3,452.60, 5,178.18 and 1,260.56

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Solution

The fourth proportional to 3,452.60, 5,178.18 and 1,260.56 is: 1,890.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,452.60 : 5,178.18 = 1,260.56 : x
  2. Step 2: Convert to fraction form
    3,452.60/5,178.18 = 1,260.56/x
  3. Step 3: Cross multiply
    3,452.60x = 5,178.18 × 1,260.56
  4. Step 4: Simplify right side
    3,452.60x = 6,527,406.58
  5. Step 5: Solve for x
    x = 6,527,406.58/3,452.60
  6. Step 6: Final answer
    x = 1,890.58

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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.