Home / 2,797.30-3,859.81-1,618.14

Finding the Fourth Proportional to 2,797.30, 3,859.81 and 1,618.14

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Solution

The fourth proportional to 2,797.30, 3,859.81 and 1,618.14 is: 2,232.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.30 : 3,859.81 = 1,618.14 : x
  2. Step 2: Convert to fraction form
    2,797.30/3,859.81 = 1,618.14/x
  3. Step 3: Cross multiply
    2,797.30x = 3,859.81 × 1,618.14
  4. Step 4: Simplify right side
    2,797.30x = 6,245,712.95
  5. Step 5: Solve for x
    x = 6,245,712.95/2,797.30
  6. Step 6: Final answer
    x = 2,232.76

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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.