Home / 3,634.47-5,447.86-1,442.61

Finding the Fourth Proportional to 3,634.47, 5,447.86 and 1,442.61

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Solution

The fourth proportional to 3,634.47, 5,447.86 and 1,442.61 is: 2,162.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634.47 : 5,447.86 = 1,442.61 : x
  2. Step 2: Convert to fraction form
    3,634.47/5,447.86 = 1,442.61/x
  3. Step 3: Cross multiply
    3,634.47x = 5,447.86 × 1,442.61
  4. Step 4: Simplify right side
    3,634.47x = 7,859,133.71
  5. Step 5: Solve for x
    x = 7,859,133.71/3,634.47
  6. Step 6: Final answer
    x = 2,162.39

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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.