Home / 2,912.25-4,370.81-1,373.25

Finding the Fourth Proportional to 2,912.25, 4,370.81 and 1,373.25

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Solution

The fourth proportional to 2,912.25, 4,370.81 and 1,373.25 is: 2,061.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.25 : 4,370.81 = 1,373.25 : x
  2. Step 2: Convert to fraction form
    2,912.25/4,370.81 = 1,373.25/x
  3. Step 3: Cross multiply
    2,912.25x = 4,370.81 × 1,373.25
  4. Step 4: Simplify right side
    2,912.25x = 6,002,207.97
  5. Step 5: Solve for x
    x = 6,002,207.97/2,912.25
  6. Step 6: Final answer
    x = 2,061.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.