Home / 3,282.19-4,921.85-1,228.75

Finding the Fourth Proportional to 3,282.19, 4,921.85 and 1,228.75

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Solution

The fourth proportional to 3,282.19, 4,921.85 and 1,228.75 is: 1,842.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.19 : 4,921.85 = 1,228.75 : x
  2. Step 2: Convert to fraction form
    3,282.19/4,921.85 = 1,228.75/x
  3. Step 3: Cross multiply
    3,282.19x = 4,921.85 × 1,228.75
  4. Step 4: Simplify right side
    3,282.19x = 6,047,717.04
  5. Step 5: Solve for x
    x = 6,047,717.04/3,282.19
  6. Step 6: Final answer
    x = 1,842.59

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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.