Home / 3,217.86-4,440.32-1,801.46

Finding the Fourth Proportional to 3,217.86, 4,440.32 and 1,801.46

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Solution

The fourth proportional to 3,217.86, 4,440.32 and 1,801.46 is: 2,485.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.86 : 4,440.32 = 1,801.46 : x
  2. Step 2: Convert to fraction form
    3,217.86/4,440.32 = 1,801.46/x
  3. Step 3: Cross multiply
    3,217.86x = 4,440.32 × 1,801.46
  4. Step 4: Simplify right side
    3,217.86x = 7,999,058.87
  5. Step 5: Solve for x
    x = 7,999,058.87/3,217.86
  6. Step 6: Final answer
    x = 2,485.83

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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.