Home / 2,771.09-3,822.95-1,932.29

Finding the Fourth Proportional to 2,771.09, 3,822.95 and 1,932.29

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Solution

The fourth proportional to 2,771.09, 3,822.95 and 1,932.29 is: 2,665.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.09 : 3,822.95 = 1,932.29 : x
  2. Step 2: Convert to fraction form
    2,771.09/3,822.95 = 1,932.29/x
  3. Step 3: Cross multiply
    2,771.09x = 3,822.95 × 1,932.29
  4. Step 4: Simplify right side
    2,771.09x = 7,387,033.77
  5. Step 5: Solve for x
    x = 7,387,033.77/2,771.09
  6. Step 6: Final answer
    x = 2,665.76

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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.