Home / 1,974.18-2,724.36-1,089.96

Finding the Fourth Proportional to 1,974.18, 2,724.36 and 1,089.96

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Solution

The fourth proportional to 1,974.18, 2,724.36 and 1,089.96 is: 1,504.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974.18 : 2,724.36 = 1,089.96 : x
  2. Step 2: Convert to fraction form
    1,974.18/2,724.36 = 1,089.96/x
  3. Step 3: Cross multiply
    1,974.18x = 2,724.36 × 1,089.96
  4. Step 4: Simplify right side
    1,974.18x = 2,969,443.43
  5. Step 5: Solve for x
    x = 2,969,443.43/1,974.18
  6. Step 6: Final answer
    x = 1,504.14

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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.