Home / 2,213.29-3,320.10-569.85

Finding the Fourth Proportional to 2,213.29, 3,320.10 and 569.85

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Solution

The fourth proportional to 2,213.29, 3,320.10 and 569.85 is: 854.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.29 : 3,320.10 = 569.85 : x
  2. Step 2: Convert to fraction form
    2,213.29/3,320.10 = 569.85/x
  3. Step 3: Cross multiply
    2,213.29x = 3,320.10 × 569.85
  4. Step 4: Simplify right side
    2,213.29x = 1,891,958.99
  5. Step 5: Solve for x
    x = 1,891,958.99/2,213.29
  6. Step 6: Final answer
    x = 854.82

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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.