Home / 2,520.39-3,773.28-2,104.86

Finding the Fourth Proportional to 2,520.39, 3,773.28 and 2,104.86

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Solution

The fourth proportional to 2,520.39, 3,773.28 and 2,104.86 is: 3,151.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520.39 : 3,773.28 = 2,104.86 : x
  2. Step 2: Convert to fraction form
    2,520.39/3,773.28 = 2,104.86/x
  3. Step 3: Cross multiply
    2,520.39x = 3,773.28 × 2,104.86
  4. Step 4: Simplify right side
    2,520.39x = 7,942,226.14
  5. Step 5: Solve for x
    x = 7,942,226.14/2,520.39
  6. Step 6: Final answer
    x = 3,151.19

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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.