Home / 1,941.06-2,678.46-1,101.72

Finding the Fourth Proportional to 1,941.06, 2,678.46 and 1,101.72

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Solution

The fourth proportional to 1,941.06, 2,678.46 and 1,101.72 is: 1,520.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.06 : 2,678.46 = 1,101.72 : x
  2. Step 2: Convert to fraction form
    1,941.06/2,678.46 = 1,101.72/x
  3. Step 3: Cross multiply
    1,941.06x = 2,678.46 × 1,101.72
  4. Step 4: Simplify right side
    1,941.06x = 2,950,912.95
  5. Step 5: Solve for x
    x = 2,950,912.95/1,941.06
  6. Step 6: Final answer
    x = 1,520.26

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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.