Home / 3,168.85-4,372.70-1,842.64

Finding the Fourth Proportional to 3,168.85, 4,372.70 and 1,842.64

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Solution

The fourth proportional to 3,168.85, 4,372.70 and 1,842.64 is: 2,542.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.85 : 4,372.70 = 1,842.64 : x
  2. Step 2: Convert to fraction form
    3,168.85/4,372.70 = 1,842.64/x
  3. Step 3: Cross multiply
    3,168.85x = 4,372.70 × 1,842.64
  4. Step 4: Simplify right side
    3,168.85x = 8,057,318.25
  5. Step 5: Solve for x
    x = 8,057,318.25/3,168.85
  6. Step 6: Final answer
    x = 2,542.66

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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.