Home / 2,149.06-2,965.96-1,204.90

Finding the Fourth Proportional to 2,149.06, 2,965.96 and 1,204.90

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Solution

The fourth proportional to 2,149.06, 2,965.96 and 1,204.90 is: 1,662.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.06 : 2,965.96 = 1,204.90 : x
  2. Step 2: Convert to fraction form
    2,149.06/2,965.96 = 1,204.90/x
  3. Step 3: Cross multiply
    2,149.06x = 2,965.96 × 1,204.90
  4. Step 4: Simplify right side
    2,149.06x = 3,573,685.20
  5. Step 5: Solve for x
    x = 3,573,685.20/2,149.06
  6. Step 6: Final answer
    x = 1,662.91

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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.