Home / 2,480.04-3,720.84-725.16

Finding the Fourth Proportional to 2,480.04, 3,720.84 and 725.16

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Solution

The fourth proportional to 2,480.04, 3,720.84 and 725.16 is: 1,087.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.04 : 3,720.84 = 725.16 : x
  2. Step 2: Convert to fraction form
    2,480.04/3,720.84 = 725.16/x
  3. Step 3: Cross multiply
    2,480.04x = 3,720.84 × 725.16
  4. Step 4: Simplify right side
    2,480.04x = 2,698,204.33
  5. Step 5: Solve for x
    x = 2,698,204.33/2,480.04
  6. Step 6: Final answer
    x = 1,087.97

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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.