Home / 2,336.40-3,502.20-1,294.80

Finding the Fourth Proportional to 2,336.40, 3,502.20 and 1,294.80

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Solution

The fourth proportional to 2,336.40, 3,502.20 and 1,294.80 is: 1,940.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,336.40 : 3,502.20 = 1,294.80 : x
  2. Step 2: Convert to fraction form
    2,336.40/3,502.20 = 1,294.80/x
  3. Step 3: Cross multiply
    2,336.40x = 3,502.20 × 1,294.80
  4. Step 4: Simplify right side
    2,336.40x = 4,534,648.56
  5. Step 5: Solve for x
    x = 4,534,648.56/2,336.40
  6. Step 6: Final answer
    x = 1,940.87

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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.