Home / 3,169.40-4,371.10-2,382.08

Finding the Fourth Proportional to 3,169.40, 4,371.10 and 2,382.08

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Solution

The fourth proportional to 3,169.40, 4,371.10 and 2,382.08 is: 3,285.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.40 : 4,371.10 = 2,382.08 : x
  2. Step 2: Convert to fraction form
    3,169.40/4,371.10 = 2,382.08/x
  3. Step 3: Cross multiply
    3,169.40x = 4,371.10 × 2,382.08
  4. Step 4: Simplify right side
    3,169.40x = 10,412,309.89
  5. Step 5: Solve for x
    x = 10,412,309.89/3,169.40
  6. Step 6: Final answer
    x = 3,285.26

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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.