Home / 2,802.97-3,873.05-2,218.15

Finding the Fourth Proportional to 2,802.97, 3,873.05 and 2,218.15

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Solution

The fourth proportional to 2,802.97, 3,873.05 and 2,218.15 is: 3,064.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.97 : 3,873.05 = 2,218.15 : x
  2. Step 2: Convert to fraction form
    2,802.97/3,873.05 = 2,218.15/x
  3. Step 3: Cross multiply
    2,802.97x = 3,873.05 × 2,218.15
  4. Step 4: Simplify right side
    2,802.97x = 8,591,005.86
  5. Step 5: Solve for x
    x = 8,591,005.86/2,802.97
  6. Step 6: Final answer
    x = 3,064.97

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1.5x scale

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.