Home / 3,062.85-4,229.72-2,618.16

Finding the Fourth Proportional to 3,062.85, 4,229.72 and 2,618.16

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Solution

The fourth proportional to 3,062.85, 4,229.72 and 2,618.16 is: 3,615.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,062.85 : 4,229.72 = 2,618.16 : x
  2. Step 2: Convert to fraction form
    3,062.85/4,229.72 = 2,618.16/x
  3. Step 3: Cross multiply
    3,062.85x = 4,229.72 × 2,618.16
  4. Step 4: Simplify right side
    3,062.85x = 11,074,083.72
  5. Step 5: Solve for x
    x = 11,074,083.72/3,062.85
  6. Step 6: Final answer
    x = 3,615.61

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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.