Home / 1,974.00-2,724.07-1,077.71

Finding the Fourth Proportional to 1,974.00, 2,724.07 and 1,077.71

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Solution

The fourth proportional to 1,974.00, 2,724.07 and 1,077.71 is: 1,487.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974.00 : 2,724.07 = 1,077.71 : x
  2. Step 2: Convert to fraction form
    1,974.00/2,724.07 = 1,077.71/x
  3. Step 3: Cross multiply
    1,974.00x = 2,724.07 × 1,077.71
  4. Step 4: Simplify right side
    1,974.00x = 2,935,743.86
  5. Step 5: Solve for x
    x = 2,935,743.86/1,974.00
  6. Step 6: Final answer
    x = 1,487.21

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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.