Home / 3,375.48-5,065.78-2,342.72

Finding the Fourth Proportional to 3,375.48, 5,065.78 and 2,342.72

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Solution

The fourth proportional to 3,375.48, 5,065.78 and 2,342.72 is: 3,515.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.48 : 5,065.78 = 2,342.72 : x
  2. Step 2: Convert to fraction form
    3,375.48/5,065.78 = 2,342.72/x
  3. Step 3: Cross multiply
    3,375.48x = 5,065.78 × 2,342.72
  4. Step 4: Simplify right side
    3,375.48x = 11,867,704.12
  5. Step 5: Solve for x
    x = 11,867,704.12/3,375.48
  6. Step 6: Final answer
    x = 3,515.86

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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.