Home / 3,620.43-5,439.75-2,304.79

Finding the Fourth Proportional to 3,620.43, 5,439.75 and 2,304.79

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Solution

The fourth proportional to 3,620.43, 5,439.75 and 2,304.79 is: 3,462.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.43 : 5,439.75 = 2,304.79 : x
  2. Step 2: Convert to fraction form
    3,620.43/5,439.75 = 2,304.79/x
  3. Step 3: Cross multiply
    3,620.43x = 5,439.75 × 2,304.79
  4. Step 4: Simplify right side
    3,620.43x = 12,537,454.20
  5. Step 5: Solve for x
    x = 12,537,454.20/3,620.43
  6. Step 6: Final answer
    x = 3,462.98

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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.