Home / 2,797.24-3,858.42-2,132.68

Finding the Fourth Proportional to 2,797.24, 3,858.42 and 2,132.68

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Solution

The fourth proportional to 2,797.24, 3,858.42 and 2,132.68 is: 2,941.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.24 : 3,858.42 = 2,132.68 : x
  2. Step 2: Convert to fraction form
    2,797.24/3,858.42 = 2,132.68/x
  3. Step 3: Cross multiply
    2,797.24x = 3,858.42 × 2,132.68
  4. Step 4: Simplify right side
    2,797.24x = 8,228,775.17
  5. Step 5: Solve for x
    x = 8,228,775.17/2,797.24
  6. Step 6: Final answer
    x = 2,941.75

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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.