Home / 2,508.39-3,463.43-2,321.79

Finding the Fourth Proportional to 2,508.39, 3,463.43 and 2,321.79

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Solution

The fourth proportional to 2,508.39, 3,463.43 and 2,321.79 is: 3,205.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,508.39 : 3,463.43 = 2,321.79 : x
  2. Step 2: Convert to fraction form
    2,508.39/3,463.43 = 2,321.79/x
  3. Step 3: Cross multiply
    2,508.39x = 3,463.43 × 2,321.79
  4. Step 4: Simplify right side
    2,508.39x = 8,041,345.53
  5. Step 5: Solve for x
    x = 8,041,345.53/2,508.39
  6. Step 6: Final answer
    x = 3,205.78

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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.