Home / 3,169.28-4,371.80-2,224.68

Finding the Fourth Proportional to 3,169.28, 4,371.80 and 2,224.68

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Solution

The fourth proportional to 3,169.28, 4,371.80 and 2,224.68 is: 3,068.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.28 : 4,371.80 = 2,224.68 : x
  2. Step 2: Convert to fraction form
    3,169.28/4,371.80 = 2,224.68/x
  3. Step 3: Cross multiply
    3,169.28x = 4,371.80 × 2,224.68
  4. Step 4: Simplify right side
    3,169.28x = 9,725,844.90
  5. Step 5: Solve for x
    x = 9,725,844.90/3,169.28
  6. Step 6: Final answer
    x = 3,068.79

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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.