Home / 4,212.60-5,811.76-2,443.88

Finding the Fourth Proportional to 4,212.60, 5,811.76 and 2,443.88

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Solution

The fourth proportional to 4,212.60, 5,811.76 and 2,443.88 is: 3,371.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.60 : 5,811.76 = 2,443.88 : x
  2. Step 2: Convert to fraction form
    4,212.60/5,811.76 = 2,443.88/x
  3. Step 3: Cross multiply
    4,212.60x = 5,811.76 × 2,443.88
  4. Step 4: Simplify right side
    4,212.60x = 14,203,244.03
  5. Step 5: Solve for x
    x = 14,203,244.03/4,212.60
  6. Step 6: Final answer
    x = 3,371.61

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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.