Home / 4,119.20-5,684.10-2,440.61

Finding the Fourth Proportional to 4,119.20, 5,684.10 and 2,440.61

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Solution

The fourth proportional to 4,119.20, 5,684.10 and 2,440.61 is: 3,367.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.20 : 5,684.10 = 2,440.61 : x
  2. Step 2: Convert to fraction form
    4,119.20/5,684.10 = 2,440.61/x
  3. Step 3: Cross multiply
    4,119.20x = 5,684.10 × 2,440.61
  4. Step 4: Simplify right side
    4,119.20x = 13,872,671.30
  5. Step 5: Solve for x
    x = 13,872,671.30/4,119.20
  6. Step 6: Final answer
    x = 3,367.81

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Half scale
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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.