Home / 3,301.28-4,554.56-2,639.68

Finding the Fourth Proportional to 3,301.28, 4,554.56 and 2,639.68

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Solution

The fourth proportional to 3,301.28, 4,554.56 and 2,639.68 is: 3,641.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,301.28 : 4,554.56 = 2,639.68 : x
  2. Step 2: Convert to fraction form
    3,301.28/4,554.56 = 2,639.68/x
  3. Step 3: Cross multiply
    3,301.28x = 4,554.56 × 2,639.68
  4. Step 4: Simplify right side
    3,301.28x = 12,022,580.94
  5. Step 5: Solve for x
    x = 12,022,580.94/3,301.28
  6. Step 6: Final answer
    x = 3,641.79

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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.