Home / 3,301.28-4,555.65-1,974.20

Finding the Fourth Proportional to 3,301.28, 4,555.65 and 1,974.20

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Solution

The fourth proportional to 3,301.28, 4,555.65 and 1,974.20 is: 2,724.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,301.28 : 4,555.65 = 1,974.20 : x
  2. Step 2: Convert to fraction form
    3,301.28/4,555.65 = 1,974.20/x
  3. Step 3: Cross multiply
    3,301.28x = 4,555.65 × 1,974.20
  4. Step 4: Simplify right side
    3,301.28x = 8,993,764.23
  5. Step 5: Solve for x
    x = 8,993,764.23/3,301.28
  6. Step 6: Final answer
    x = 2,724.33

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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.