Home / 1,976.44-2,726.58-1,278.04

Finding the Fourth Proportional to 1,976.44, 2,726.58 and 1,278.04

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Solution

The fourth proportional to 1,976.44, 2,726.58 and 1,278.04 is: 1,763.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.44 : 2,726.58 = 1,278.04 : x
  2. Step 2: Convert to fraction form
    1,976.44/2,726.58 = 1,278.04/x
  3. Step 3: Cross multiply
    1,976.44x = 2,726.58 × 1,278.04
  4. Step 4: Simplify right side
    1,976.44x = 3,484,678.30
  5. Step 5: Solve for x
    x = 3,484,678.30/1,976.44
  6. Step 6: Final answer
    x = 1,763.11

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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.