Home / 2,440.26-3,367.80-1,392.48

Finding the Fourth Proportional to 2,440.26, 3,367.80 and 1,392.48

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Solution

The fourth proportional to 2,440.26, 3,367.80 and 1,392.48 is: 1,921.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.26 : 3,367.80 = 1,392.48 : x
  2. Step 2: Convert to fraction form
    2,440.26/3,367.80 = 1,392.48/x
  3. Step 3: Cross multiply
    2,440.26x = 3,367.80 × 1,392.48
  4. Step 4: Simplify right side
    2,440.26x = 4,689,594.14
  5. Step 5: Solve for x
    x = 4,689,594.14/2,440.26
  6. Step 6: Final answer
    x = 1,921.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.