Home / 3,433.92-5,151.30-1,243.68

Finding the Fourth Proportional to 3,433.92, 5,151.30 and 1,243.68

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Solution

The fourth proportional to 3,433.92, 5,151.30 and 1,243.68 is: 1,865.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.92 : 5,151.30 = 1,243.68 : x
  2. Step 2: Convert to fraction form
    3,433.92/5,151.30 = 1,243.68/x
  3. Step 3: Cross multiply
    3,433.92x = 5,151.30 × 1,243.68
  4. Step 4: Simplify right side
    3,433.92x = 6,406,568.78
  5. Step 5: Solve for x
    x = 6,406,568.78/3,433.92
  6. Step 6: Final answer
    x = 1,865.67

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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.