Home / 1,976.40-2,724.44-1,418.04

Finding the Fourth Proportional to 1,976.40, 2,724.44 and 1,418.04

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Solution

The fourth proportional to 1,976.40, 2,724.44 and 1,418.04 is: 1,954.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.40 : 2,724.44 = 1,418.04 : x
  2. Step 2: Convert to fraction form
    1,976.40/2,724.44 = 1,418.04/x
  3. Step 3: Cross multiply
    1,976.40x = 2,724.44 × 1,418.04
  4. Step 4: Simplify right side
    1,976.40x = 3,863,357.81
  5. Step 5: Solve for x
    x = 3,863,357.81/1,976.40
  6. Step 6: Final answer
    x = 1,954.74

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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.