Home / 3,767.12-5,672.78-3,285.92

Finding the Fourth Proportional to 3,767.12, 5,672.78 and 3,285.92

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Solution

The fourth proportional to 3,767.12, 5,672.78 and 3,285.92 is: 4,948.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.12 : 5,672.78 = 3,285.92 : x
  2. Step 2: Convert to fraction form
    3,767.12/5,672.78 = 3,285.92/x
  3. Step 3: Cross multiply
    3,767.12x = 5,672.78 × 3,285.92
  4. Step 4: Simplify right side
    3,767.12x = 18,640,301.26
  5. Step 5: Solve for x
    x = 18,640,301.26/3,767.12
  6. Step 6: Final answer
    x = 4,948.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.