Home / 3,276.42-4,518.42-2,439.18

Finding the Fourth Proportional to 3,276.42, 4,518.42 and 2,439.18

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Solution

The fourth proportional to 3,276.42, 4,518.42 and 2,439.18 is: 3,363.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.42 : 4,518.42 = 2,439.18 : x
  2. Step 2: Convert to fraction form
    3,276.42/4,518.42 = 2,439.18/x
  3. Step 3: Cross multiply
    3,276.42x = 4,518.42 × 2,439.18
  4. Step 4: Simplify right side
    3,276.42x = 11,021,239.70
  5. Step 5: Solve for x
    x = 11,021,239.70/3,276.42
  6. Step 6: Final answer
    x = 3,363.81

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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.