Home / 3,788.65-5,228.22-2,110.06

Finding the Fourth Proportional to 3,788.65, 5,228.22 and 2,110.06

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Solution

The fourth proportional to 3,788.65, 5,228.22 and 2,110.06 is: 2,911.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.65 : 5,228.22 = 2,110.06 : x
  2. Step 2: Convert to fraction form
    3,788.65/5,228.22 = 2,110.06/x
  3. Step 3: Cross multiply
    3,788.65x = 5,228.22 × 2,110.06
  4. Step 4: Simplify right side
    3,788.65x = 11,031,857.89
  5. Step 5: Solve for x
    x = 11,031,857.89/3,788.65
  6. Step 6: Final answer
    x = 2,911.82

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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.