Home / 3,218.04-4,441.23-1,801.89

Finding the Fourth Proportional to 3,218.04, 4,441.23 and 1,801.89

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Solution

The fourth proportional to 3,218.04, 4,441.23 and 1,801.89 is: 2,486.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.04 : 4,441.23 = 1,801.89 : x
  2. Step 2: Convert to fraction form
    3,218.04/4,441.23 = 1,801.89/x
  3. Step 3: Cross multiply
    3,218.04x = 4,441.23 × 1,801.89
  4. Step 4: Simplify right side
    3,218.04x = 8,002,607.92
  5. Step 5: Solve for x
    x = 8,002,607.92/3,218.04
  6. Step 6: Final answer
    x = 2,486.80

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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.