Home / 2,797.45-3,860.18-1,618.29

Finding the Fourth Proportional to 2,797.45, 3,860.18 and 1,618.29

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Solution

The fourth proportional to 2,797.45, 3,860.18 and 1,618.29 is: 2,233.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.45 : 3,860.18 = 1,618.29 : x
  2. Step 2: Convert to fraction form
    2,797.45/3,860.18 = 1,618.29/x
  3. Step 3: Cross multiply
    2,797.45x = 3,860.18 × 1,618.29
  4. Step 4: Simplify right side
    2,797.45x = 6,246,890.69
  5. Step 5: Solve for x
    x = 6,246,890.69/2,797.45
  6. Step 6: Final answer
    x = 2,233.07

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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.