Home / 3,306.72-4,564.04-2,187.68

Finding the Fourth Proportional to 3,306.72, 4,564.04 and 2,187.68

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Solution

The fourth proportional to 3,306.72, 4,564.04 and 2,187.68 is: 3,019.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,306.72 : 4,564.04 = 2,187.68 : x
  2. Step 2: Convert to fraction form
    3,306.72/4,564.04 = 2,187.68/x
  3. Step 3: Cross multiply
    3,306.72x = 4,564.04 × 2,187.68
  4. Step 4: Simplify right side
    3,306.72x = 9,984,659.03
  5. Step 5: Solve for x
    x = 9,984,659.03/3,306.72
  6. Step 6: Final answer
    x = 3,019.51

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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.