Home / 2,803.97-3,867.21-2,467.15

Finding the Fourth Proportional to 2,803.97, 3,867.21 and 2,467.15

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Solution

The fourth proportional to 2,803.97, 3,867.21 and 2,467.15 is: 3,402.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.97 : 3,867.21 = 2,467.15 : x
  2. Step 2: Convert to fraction form
    2,803.97/3,867.21 = 2,467.15/x
  3. Step 3: Cross multiply
    2,803.97x = 3,867.21 × 2,467.15
  4. Step 4: Simplify right side
    2,803.97x = 9,540,977.48
  5. Step 5: Solve for x
    x = 9,540,977.48/2,803.97
  6. Step 6: Final answer
    x = 3,402.66

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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.