Home / 3,163.42-4,743.45-1,581.89

Finding the Fourth Proportional to 3,163.42, 4,743.45 and 1,581.89

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Solution

The fourth proportional to 3,163.42, 4,743.45 and 1,581.89 is: 2,372.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.42 : 4,743.45 = 1,581.89 : x
  2. Step 2: Convert to fraction form
    3,163.42/4,743.45 = 1,581.89/x
  3. Step 3: Cross multiply
    3,163.42x = 4,743.45 × 1,581.89
  4. Step 4: Simplify right side
    3,163.42x = 7,503,616.12
  5. Step 5: Solve for x
    x = 7,503,616.12/3,163.42
  6. Step 6: Final answer
    x = 2,372.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.