Home / 2,426.26-3,639.60-694.90

Finding the Fourth Proportional to 2,426.26, 3,639.60 and 694.90

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Solution

The fourth proportional to 2,426.26, 3,639.60 and 694.90 is: 1,042.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,426.26 : 3,639.60 = 694.90 : x
  2. Step 2: Convert to fraction form
    2,426.26/3,639.60 = 694.90/x
  3. Step 3: Cross multiply
    2,426.26x = 3,639.60 × 694.90
  4. Step 4: Simplify right side
    2,426.26x = 2,529,158.04
  5. Step 5: Solve for x
    x = 2,529,158.04/2,426.26
  6. Step 6: Final answer
    x = 1,042.41

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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.