Home / 2,206.61-3,310.67-1,110.07

Finding the Fourth Proportional to 2,206.61, 3,310.67 and 1,110.07

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Solution

The fourth proportional to 2,206.61, 3,310.67 and 1,110.07 is: 1,665.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.61 : 3,310.67 = 1,110.07 : x
  2. Step 2: Convert to fraction form
    2,206.61/3,310.67 = 1,110.07/x
  3. Step 3: Cross multiply
    2,206.61x = 3,310.67 × 1,110.07
  4. Step 4: Simplify right side
    2,206.61x = 3,675,082.36
  5. Step 5: Solve for x
    x = 3,675,082.36/2,206.61
  6. Step 6: Final answer
    x = 1,665.49

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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.