Home / 3,201.66-4,418.31-1,785.47

Finding the Fourth Proportional to 3,201.66, 4,418.31 and 1,785.47

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Solution

The fourth proportional to 3,201.66, 4,418.31 and 1,785.47 is: 2,463.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.66 : 4,418.31 = 1,785.47 : x
  2. Step 2: Convert to fraction form
    3,201.66/4,418.31 = 1,785.47/x
  3. Step 3: Cross multiply
    3,201.66x = 4,418.31 × 1,785.47
  4. Step 4: Simplify right side
    3,201.66x = 7,888,737.86
  5. Step 5: Solve for x
    x = 7,888,737.86/3,201.66
  6. Step 6: Final answer
    x = 2,463.95

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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.