Home / 3,230.20-4,842.46-1,281.07

Finding the Fourth Proportional to 3,230.20, 4,842.46 and 1,281.07

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Solution

The fourth proportional to 3,230.20, 4,842.46 and 1,281.07 is: 1,920.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.20 : 4,842.46 = 1,281.07 : x
  2. Step 2: Convert to fraction form
    3,230.20/4,842.46 = 1,281.07/x
  3. Step 3: Cross multiply
    3,230.20x = 4,842.46 × 1,281.07
  4. Step 4: Simplify right side
    3,230.20x = 6,203,530.23
  5. Step 5: Solve for x
    x = 6,203,530.23/3,230.20
  6. Step 6: Final answer
    x = 1,920.48

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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.