Home / 3,500.05-5,245.42-1,306.57

Finding the Fourth Proportional to 3,500.05, 5,245.42 and 1,306.57

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Solution

The fourth proportional to 3,500.05, 5,245.42 and 1,306.57 is: 1,958.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.05 : 5,245.42 = 1,306.57 : x
  2. Step 2: Convert to fraction form
    3,500.05/5,245.42 = 1,306.57/x
  3. Step 3: Cross multiply
    3,500.05x = 5,245.42 × 1,306.57
  4. Step 4: Simplify right side
    3,500.05x = 6,853,501.88
  5. Step 5: Solve for x
    x = 6,853,501.88/3,500.05
  6. Step 6: Final answer
    x = 1,958.12

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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.