Home / 3,364.60-5,052.30-2,543.80

Finding the Fourth Proportional to 3,364.60, 5,052.30 and 2,543.80

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Solution

The fourth proportional to 3,364.60, 5,052.30 and 2,543.80 is: 3,819.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.60 : 5,052.30 = 2,543.80 : x
  2. Step 2: Convert to fraction form
    3,364.60/5,052.30 = 2,543.80/x
  3. Step 3: Cross multiply
    3,364.60x = 5,052.30 × 2,543.80
  4. Step 4: Simplify right side
    3,364.60x = 12,852,040.74
  5. Step 5: Solve for x
    x = 12,852,040.74/3,364.60
  6. Step 6: Final answer
    x = 3,819.78

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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.