Home / 2,797.11-3,860.19-1,618.16

Finding the Fourth Proportional to 2,797.11, 3,860.19 and 1,618.16

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Solution

The fourth proportional to 2,797.11, 3,860.19 and 1,618.16 is: 2,233.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.11 : 3,860.19 = 1,618.16 : x
  2. Step 2: Convert to fraction form
    2,797.11/3,860.19 = 1,618.16/x
  3. Step 3: Cross multiply
    2,797.11x = 3,860.19 × 1,618.16
  4. Step 4: Simplify right side
    2,797.11x = 6,246,385.75
  5. Step 5: Solve for x
    x = 6,246,385.75/2,797.11
  6. Step 6: Final answer
    x = 2,233.16

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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.