Home / 2,480.07-3,718.66-836.18

Finding the Fourth Proportional to 2,480.07, 3,718.66 and 836.18

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Solution

The fourth proportional to 2,480.07, 3,718.66 and 836.18 is: 1,253.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.07 : 3,718.66 = 836.18 : x
  2. Step 2: Convert to fraction form
    2,480.07/3,718.66 = 836.18/x
  3. Step 3: Cross multiply
    2,480.07x = 3,718.66 × 836.18
  4. Step 4: Simplify right side
    2,480.07x = 3,109,469.12
  5. Step 5: Solve for x
    x = 3,109,469.12/2,480.07
  6. Step 6: Final answer
    x = 1,253.78

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1.5x scale

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.