Home / 2,581.28-3,873.54-1,609.28

Finding the Fourth Proportional to 2,581.28, 3,873.54 and 1,609.28

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Solution

The fourth proportional to 2,581.28, 3,873.54 and 1,609.28 is: 2,414.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.28 : 3,873.54 = 1,609.28 : x
  2. Step 2: Convert to fraction form
    2,581.28/3,873.54 = 1,609.28/x
  3. Step 3: Cross multiply
    2,581.28x = 3,873.54 × 1,609.28
  4. Step 4: Simplify right side
    2,581.28x = 6,233,610.45
  5. Step 5: Solve for x
    x = 6,233,610.45/2,581.28
  6. Step 6: Final answer
    x = 2,414.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.