Home / 3,087.49-4,609.92-2,648.04

Finding the Fourth Proportional to 3,087.49, 4,609.92 and 2,648.04

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Solution

The fourth proportional to 3,087.49, 4,609.92 and 2,648.04 is: 3,953.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.49 : 4,609.92 = 2,648.04 : x
  2. Step 2: Convert to fraction form
    3,087.49/4,609.92 = 2,648.04/x
  3. Step 3: Cross multiply
    3,087.49x = 4,609.92 × 2,648.04
  4. Step 4: Simplify right side
    3,087.49x = 12,207,252.56
  5. Step 5: Solve for x
    x = 12,207,252.56/3,087.49
  6. Step 6: Final answer
    x = 3,953.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.