Home / 1,949.13-2,917.08-1,126.17

Finding the Fourth Proportional to 1,949.13, 2,917.08 and 1,126.17

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Solution

The fourth proportional to 1,949.13, 2,917.08 and 1,126.17 is: 1,685.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949.13 : 2,917.08 = 1,126.17 : x
  2. Step 2: Convert to fraction form
    1,949.13/2,917.08 = 1,126.17/x
  3. Step 3: Cross multiply
    1,949.13x = 2,917.08 × 1,126.17
  4. Step 4: Simplify right side
    1,949.13x = 3,285,127.98
  5. Step 5: Solve for x
    x = 3,285,127.98/1,949.13
  6. Step 6: Final answer
    x = 1,685.43

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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.