Home / 3,028.32-4,177.92-2,320.29

Finding the Fourth Proportional to 3,028.32, 4,177.92 and 2,320.29

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Solution

The fourth proportional to 3,028.32, 4,177.92 and 2,320.29 is: 3,201.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.32 : 4,177.92 = 2,320.29 : x
  2. Step 2: Convert to fraction form
    3,028.32/4,177.92 = 2,320.29/x
  3. Step 3: Cross multiply
    3,028.32x = 4,177.92 × 2,320.29
  4. Step 4: Simplify right side
    3,028.32x = 9,693,986.00
  5. Step 5: Solve for x
    x = 9,693,986.00/3,028.32
  6. Step 6: Final answer
    x = 3,201.11

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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.