Home / 3,182.09-4,391.10-1,765.76

Finding the Fourth Proportional to 3,182.09, 4,391.10 and 1,765.76

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Solution

The fourth proportional to 3,182.09, 4,391.10 and 1,765.76 is: 2,436.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.09 : 4,391.10 = 1,765.76 : x
  2. Step 2: Convert to fraction form
    3,182.09/4,391.10 = 1,765.76/x
  3. Step 3: Cross multiply
    3,182.09x = 4,391.10 × 1,765.76
  4. Step 4: Simplify right side
    3,182.09x = 7,753,606.78
  5. Step 5: Solve for x
    x = 7,753,606.78/3,182.09
  6. Step 6: Final answer
    x = 2,436.64

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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.