Home / 3,640.82-5,465.84-3,031.97

Finding the Fourth Proportional to 3,640.82, 5,465.84 and 3,031.97

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Solution

The fourth proportional to 3,640.82, 5,465.84 and 3,031.97 is: 4,551.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.82 : 5,465.84 = 3,031.97 : x
  2. Step 2: Convert to fraction form
    3,640.82/5,465.84 = 3,031.97/x
  3. Step 3: Cross multiply
    3,640.82x = 5,465.84 × 3,031.97
  4. Step 4: Simplify right side
    3,640.82x = 16,572,262.90
  5. Step 5: Solve for x
    x = 16,572,262.90/3,640.82
  6. Step 6: Final answer
    x = 4,551.79

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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.