Home / 2,771.13-3,822.24-1,651.20

Finding the Fourth Proportional to 2,771.13, 3,822.24 and 1,651.20

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Solution

The fourth proportional to 2,771.13, 3,822.24 and 1,651.20 is: 2,277.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.13 : 3,822.24 = 1,651.20 : x
  2. Step 2: Convert to fraction form
    2,771.13/3,822.24 = 1,651.20/x
  3. Step 3: Cross multiply
    2,771.13x = 3,822.24 × 1,651.20
  4. Step 4: Simplify right side
    2,771.13x = 6,311,282.69
  5. Step 5: Solve for x
    x = 6,311,282.69/2,771.13
  6. Step 6: Final answer
    x = 2,277.51

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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.