Home / 3,207.26-4,428.06-2,619.20

Finding the Fourth Proportional to 3,207.26, 4,428.06 and 2,619.20

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Solution

The fourth proportional to 3,207.26, 4,428.06 and 2,619.20 is: 3,616.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.26 : 4,428.06 = 2,619.20 : x
  2. Step 2: Convert to fraction form
    3,207.26/4,428.06 = 2,619.20/x
  3. Step 3: Cross multiply
    3,207.26x = 4,428.06 × 2,619.20
  4. Step 4: Simplify right side
    3,207.26x = 11,597,974.75
  5. Step 5: Solve for x
    x = 11,597,974.75/3,207.26
  6. Step 6: Final answer
    x = 3,616.16

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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.