Home / 2,976.60-4,453.48-2,191.44

Finding the Fourth Proportional to 2,976.60, 4,453.48 and 2,191.44

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Solution

The fourth proportional to 2,976.60, 4,453.48 and 2,191.44 is: 3,278.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.60 : 4,453.48 = 2,191.44 : x
  2. Step 2: Convert to fraction form
    2,976.60/4,453.48 = 2,191.44/x
  3. Step 3: Cross multiply
    2,976.60x = 4,453.48 × 2,191.44
  4. Step 4: Simplify right side
    2,976.60x = 9,759,534.21
  5. Step 5: Solve for x
    x = 9,759,534.21/2,976.60
  6. Step 6: Final answer
    x = 3,278.75

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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.