Home / 3,228.18-4,842.27-1,281.30

Finding the Fourth Proportional to 3,228.18, 4,842.27 and 1,281.30

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Solution

The fourth proportional to 3,228.18, 4,842.27 and 1,281.30 is: 1,921.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.18 : 4,842.27 = 1,281.30 : x
  2. Step 2: Convert to fraction form
    3,228.18/4,842.27 = 1,281.30/x
  3. Step 3: Cross multiply
    3,228.18x = 4,842.27 × 1,281.30
  4. Step 4: Simplify right side
    3,228.18x = 6,204,400.55
  5. Step 5: Solve for x
    x = 6,204,400.55/3,228.18
  6. Step 6: Final answer
    x = 1,921.95

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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.