Home / 3,418.31-5,125.34-1,442.93

Finding the Fourth Proportional to 3,418.31, 5,125.34 and 1,442.93

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Solution

The fourth proportional to 3,418.31, 5,125.34 and 1,442.93 is: 2,163.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.31 : 5,125.34 = 1,442.93 : x
  2. Step 2: Convert to fraction form
    3,418.31/5,125.34 = 1,442.93/x
  3. Step 3: Cross multiply
    3,418.31x = 5,125.34 × 1,442.93
  4. Step 4: Simplify right side
    3,418.31x = 7,395,474.00
  5. Step 5: Solve for x
    x = 7,395,474.00/3,418.31
  6. Step 6: Final answer
    x = 2,163.49

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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.