Home / 2,797.36-3,860.87-1,618.43

Finding the Fourth Proportional to 2,797.36, 3,860.87 and 1,618.43

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Solution

The fourth proportional to 2,797.36, 3,860.87 and 1,618.43 is: 2,233.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.36 : 3,860.87 = 1,618.43 : x
  2. Step 2: Convert to fraction form
    2,797.36/3,860.87 = 1,618.43/x
  3. Step 3: Cross multiply
    2,797.36x = 3,860.87 × 1,618.43
  4. Step 4: Simplify right side
    2,797.36x = 6,248,542.15
  5. Step 5: Solve for x
    x = 6,248,542.15/2,797.36
  6. Step 6: Final answer
    x = 2,233.73

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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.