Home / 3,400.31-5,098.34-1,425.41

Finding the Fourth Proportional to 3,400.31, 5,098.34 and 1,425.41

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Solution

The fourth proportional to 3,400.31, 5,098.34 and 1,425.41 is: 2,137.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.31 : 5,098.34 = 1,425.41 : x
  2. Step 2: Convert to fraction form
    3,400.31/5,098.34 = 1,425.41/x
  3. Step 3: Cross multiply
    3,400.31x = 5,098.34 × 1,425.41
  4. Step 4: Simplify right side
    3,400.31x = 7,267,224.82
  5. Step 5: Solve for x
    x = 7,267,224.82/3,400.31
  6. Step 6: Final answer
    x = 2,137.22

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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.