Home / 1,974.10-2,724.24-1,089.92

Finding the Fourth Proportional to 1,974.10, 2,724.24 and 1,089.92

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Solution

The fourth proportional to 1,974.10, 2,724.24 and 1,089.92 is: 1,504.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974.10 : 2,724.24 = 1,089.92 : x
  2. Step 2: Convert to fraction form
    1,974.10/2,724.24 = 1,089.92/x
  3. Step 3: Cross multiply
    1,974.10x = 2,724.24 × 1,089.92
  4. Step 4: Simplify right side
    1,974.10x = 2,969,196.85
  5. Step 5: Solve for x
    x = 2,969,196.85/1,974.10
  6. Step 6: Final answer
    x = 1,504.08

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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.