Home / 1,941.19-2,678.70-1,101.91

Finding the Fourth Proportional to 1,941.19, 2,678.70 and 1,101.91

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Solution

The fourth proportional to 1,941.19, 2,678.70 and 1,101.91 is: 1,520.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.19 : 2,678.70 = 1,101.91 : x
  2. Step 2: Convert to fraction form
    1,941.19/2,678.70 = 1,101.91/x
  3. Step 3: Cross multiply
    1,941.19x = 2,678.70 × 1,101.91
  4. Step 4: Simplify right side
    1,941.19x = 2,951,678.73
  5. Step 5: Solve for x
    x = 2,951,678.73/1,941.19
  6. Step 6: Final answer
    x = 1,520.55

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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.