Home / 1,981.52-2,733.20-1,195.04

Finding the Fourth Proportional to 1,981.52, 2,733.20 and 1,195.04

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Solution

The fourth proportional to 1,981.52, 2,733.20 and 1,195.04 is: 1,648.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981.52 : 2,733.20 = 1,195.04 : x
  2. Step 2: Convert to fraction form
    1,981.52/2,733.20 = 1,195.04/x
  3. Step 3: Cross multiply
    1,981.52x = 2,733.20 × 1,195.04
  4. Step 4: Simplify right side
    1,981.52x = 3,266,283.33
  5. Step 5: Solve for x
    x = 3,266,283.33/1,981.52
  6. Step 6: Final answer
    x = 1,648.37

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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.