Home / 1,972.34-2,959.52-1,150.14

Finding the Fourth Proportional to 1,972.34, 2,959.52 and 1,150.14

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Solution

The fourth proportional to 1,972.34, 2,959.52 and 1,150.14 is: 1,725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972.34 : 2,959.52 = 1,150.14 : x
  2. Step 2: Convert to fraction form
    1,972.34/2,959.52 = 1,150.14/x
  3. Step 3: Cross multiply
    1,972.34x = 2,959.52 × 1,150.14
  4. Step 4: Simplify right side
    1,972.34x = 3,403,862.33
  5. Step 5: Solve for x
    x = 3,403,862.33/1,972.34
  6. Step 6: Final answer
    x = 1,725.80

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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.