Home / 2,207.29-3,310.05-1,110.88

Finding the Fourth Proportional to 2,207.29, 3,310.05 and 1,110.88

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Solution

The fourth proportional to 2,207.29, 3,310.05 and 1,110.88 is: 1,665.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.29 : 3,310.05 = 1,110.88 : x
  2. Step 2: Convert to fraction form
    2,207.29/3,310.05 = 1,110.88/x
  3. Step 3: Cross multiply
    2,207.29x = 3,310.05 × 1,110.88
  4. Step 4: Simplify right side
    2,207.29x = 3,677,068.34
  5. Step 5: Solve for x
    x = 3,677,068.34/2,207.29
  6. Step 6: Final answer
    x = 1,665.87

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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.