Home / 2,169.23-3,253.61-609.28

Finding the Fourth Proportional to 2,169.23, 3,253.61 and 609.28

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Solution

The fourth proportional to 2,169.23, 3,253.61 and 609.28 is: 913.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169.23 : 3,253.61 = 609.28 : x
  2. Step 2: Convert to fraction form
    2,169.23/3,253.61 = 609.28/x
  3. Step 3: Cross multiply
    2,169.23x = 3,253.61 × 609.28
  4. Step 4: Simplify right side
    2,169.23x = 1,982,349.46
  5. Step 5: Solve for x
    x = 1,982,349.46/2,169.23
  6. Step 6: Final answer
    x = 913.85

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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.