Home / 2,247.42-3,371.10-1,861.86

Finding the Fourth Proportional to 2,247.42, 3,371.10 and 1,861.86

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Solution

The fourth proportional to 2,247.42, 3,371.10 and 1,861.86 is: 2,792.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.42 : 3,371.10 = 1,861.86 : x
  2. Step 2: Convert to fraction form
    2,247.42/3,371.10 = 1,861.86/x
  3. Step 3: Cross multiply
    2,247.42x = 3,371.10 × 1,861.86
  4. Step 4: Simplify right side
    2,247.42x = 6,276,516.25
  5. Step 5: Solve for x
    x = 6,276,516.25/2,247.42
  6. Step 6: Final answer
    x = 2,792.77

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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.