Home / 2,002.08-2,761.32-1,778.24

Finding the Fourth Proportional to 2,002.08, 2,761.32 and 1,778.24

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Solution

The fourth proportional to 2,002.08, 2,761.32 and 1,778.24 is: 2,452.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,002.08 : 2,761.32 = 1,778.24 : x
  2. Step 2: Convert to fraction form
    2,002.08/2,761.32 = 1,778.24/x
  3. Step 3: Cross multiply
    2,002.08x = 2,761.32 × 1,778.24
  4. Step 4: Simplify right side
    2,002.08x = 4,910,289.68
  5. Step 5: Solve for x
    x = 4,910,289.68/2,002.08
  6. Step 6: Final answer
    x = 2,452.59

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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.