Home / 2,106.79-3,158.62-1,010.11

Finding the Fourth Proportional to 2,106.79, 3,158.62 and 1,010.11

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Solution

The fourth proportional to 2,106.79, 3,158.62 and 1,010.11 is: 1,514.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.79 : 3,158.62 = 1,010.11 : x
  2. Step 2: Convert to fraction form
    2,106.79/3,158.62 = 1,010.11/x
  3. Step 3: Cross multiply
    2,106.79x = 3,158.62 × 1,010.11
  4. Step 4: Simplify right side
    2,106.79x = 3,190,553.65
  5. Step 5: Solve for x
    x = 3,190,553.65/2,106.79
  6. Step 6: Final answer
    x = 1,514.41

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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.