Home / 3,239.09-4,863.08-1,680.17

Finding the Fourth Proportional to 3,239.09, 4,863.08 and 1,680.17

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Solution

The fourth proportional to 3,239.09, 4,863.08 and 1,680.17 is: 2,522.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.09 : 4,863.08 = 1,680.17 : x
  2. Step 2: Convert to fraction form
    3,239.09/4,863.08 = 1,680.17/x
  3. Step 3: Cross multiply
    3,239.09x = 4,863.08 × 1,680.17
  4. Step 4: Simplify right side
    3,239.09x = 8,170,801.12
  5. Step 5: Solve for x
    x = 8,170,801.12/3,239.09
  6. Step 6: Final answer
    x = 2,522.56

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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.