Home / 1,965.74-2,712.26-1,180.04

Finding the Fourth Proportional to 1,965.74, 2,712.26 and 1,180.04

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Solution

The fourth proportional to 1,965.74, 2,712.26 and 1,180.04 is: 1,628.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.74 : 2,712.26 = 1,180.04 : x
  2. Step 2: Convert to fraction form
    1,965.74/2,712.26 = 1,180.04/x
  3. Step 3: Cross multiply
    1,965.74x = 2,712.26 × 1,180.04
  4. Step 4: Simplify right side
    1,965.74x = 3,200,575.29
  5. Step 5: Solve for x
    x = 3,200,575.29/1,965.74
  6. Step 6: Final answer
    x = 1,628.18

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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.