Home / 2,419.90-3,629.85-2,247.10

Finding the Fourth Proportional to 2,419.90, 3,629.85 and 2,247.10

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Solution

The fourth proportional to 2,419.90, 3,629.85 and 2,247.10 is: 3,370.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.90 : 3,629.85 = 2,247.10 : x
  2. Step 2: Convert to fraction form
    2,419.90/3,629.85 = 2,247.10/x
  3. Step 3: Cross multiply
    2,419.90x = 3,629.85 × 2,247.10
  4. Step 4: Simplify right side
    2,419.90x = 8,156,635.94
  5. Step 5: Solve for x
    x = 8,156,635.94/2,419.90
  6. Step 6: Final answer
    x = 3,370.65

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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.