Home / 1,949.92-2,690.92-1,110.66

Finding the Fourth Proportional to 1,949.92, 2,690.92 and 1,110.66

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Solution

The fourth proportional to 1,949.92, 2,690.92 and 1,110.66 is: 1,532.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949.92 : 2,690.92 = 1,110.66 : x
  2. Step 2: Convert to fraction form
    1,949.92/2,690.92 = 1,110.66/x
  3. Step 3: Cross multiply
    1,949.92x = 2,690.92 × 1,110.66
  4. Step 4: Simplify right side
    1,949.92x = 2,988,703.64
  5. Step 5: Solve for x
    x = 2,988,703.64/1,949.92
  6. Step 6: Final answer
    x = 1,532.73

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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.