Home / 3,611.25-4,980.96-2,283.66

Finding the Fourth Proportional to 3,611.25, 4,980.96 and 2,283.66

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Solution

The fourth proportional to 3,611.25, 4,980.96 and 2,283.66 is: 3,149.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.25 : 4,980.96 = 2,283.66 : x
  2. Step 2: Convert to fraction form
    3,611.25/4,980.96 = 2,283.66/x
  3. Step 3: Cross multiply
    3,611.25x = 4,980.96 × 2,283.66
  4. Step 4: Simplify right side
    3,611.25x = 11,374,819.11
  5. Step 5: Solve for x
    x = 11,374,819.11/3,611.25
  6. Step 6: Final answer
    x = 3,149.83

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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.