Home / 3,169.10-4,372.38-1,842.56

Finding the Fourth Proportional to 3,169.10, 4,372.38 and 1,842.56

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Solution

The fourth proportional to 3,169.10, 4,372.38 and 1,842.56 is: 2,542.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.10 : 4,372.38 = 1,842.56 : x
  2. Step 2: Convert to fraction form
    3,169.10/4,372.38 = 1,842.56/x
  3. Step 3: Cross multiply
    3,169.10x = 4,372.38 × 1,842.56
  4. Step 4: Simplify right side
    3,169.10x = 8,056,372.49
  5. Step 5: Solve for x
    x = 8,056,372.49/3,169.10
  6. Step 6: Final answer
    x = 2,542.16

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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.