Home / 2,004.04-2,765.92-1,218.62

Finding the Fourth Proportional to 2,004.04, 2,765.92 and 1,218.62

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Solution

The fourth proportional to 2,004.04, 2,765.92 and 1,218.62 is: 1,681.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,004.04 : 2,765.92 = 1,218.62 : x
  2. Step 2: Convert to fraction form
    2,004.04/2,765.92 = 1,218.62/x
  3. Step 3: Cross multiply
    2,004.04x = 2,765.92 × 1,218.62
  4. Step 4: Simplify right side
    2,004.04x = 3,370,605.43
  5. Step 5: Solve for x
    x = 3,370,605.43/2,004.04
  6. Step 6: Final answer
    x = 1,681.91

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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.