Home / 3,532.68-4,879.20-2,351.72

Finding the Fourth Proportional to 3,532.68, 4,879.20 and 2,351.72

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Solution

The fourth proportional to 3,532.68, 4,879.20 and 2,351.72 is: 3,248.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,532.68 : 4,879.20 = 2,351.72 : x
  2. Step 2: Convert to fraction form
    3,532.68/4,879.20 = 2,351.72/x
  3. Step 3: Cross multiply
    3,532.68x = 4,879.20 × 2,351.72
  4. Step 4: Simplify right side
    3,532.68x = 11,474,512.22
  5. Step 5: Solve for x
    x = 11,474,512.22/3,532.68
  6. Step 6: Final answer
    x = 3,248.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.