Home / 3,182.88-4,391.30-2,065.22

Finding the Fourth Proportional to 3,182.88, 4,391.30 and 2,065.22

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Solution

The fourth proportional to 3,182.88, 4,391.30 and 2,065.22 is: 2,849.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.88 : 4,391.30 = 2,065.22 : x
  2. Step 2: Convert to fraction form
    3,182.88/4,391.30 = 2,065.22/x
  3. Step 3: Cross multiply
    3,182.88x = 4,391.30 × 2,065.22
  4. Step 4: Simplify right side
    3,182.88x = 9,068,968.30
  5. Step 5: Solve for x
    x = 9,068,968.30/3,182.88
  6. Step 6: Final answer
    x = 2,849.30

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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.