Home / 3,239.28-4,858.92-2,686.32

Finding the Fourth Proportional to 3,239.28, 4,858.92 and 2,686.32

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Solution

The fourth proportional to 3,239.28, 4,858.92 and 2,686.32 is: 4,029.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.28 : 4,858.92 = 2,686.32 : x
  2. Step 2: Convert to fraction form
    3,239.28/4,858.92 = 2,686.32/x
  3. Step 3: Cross multiply
    3,239.28x = 4,858.92 × 2,686.32
  4. Step 4: Simplify right side
    3,239.28x = 13,052,613.97
  5. Step 5: Solve for x
    x = 13,052,613.97/3,239.28
  6. Step 6: Final answer
    x = 4,029.48

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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.