Home / 3,703.18-5,110.38-2,109.83

Finding the Fourth Proportional to 3,703.18, 5,110.38 and 2,109.83

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Solution

The fourth proportional to 3,703.18, 5,110.38 and 2,109.83 is: 2,911.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.18 : 5,110.38 = 2,109.83 : x
  2. Step 2: Convert to fraction form
    3,703.18/5,110.38 = 2,109.83/x
  3. Step 3: Cross multiply
    3,703.18x = 5,110.38 × 2,109.83
  4. Step 4: Simplify right side
    3,703.18x = 10,782,033.04
  5. Step 5: Solve for x
    x = 10,782,033.04/3,703.18
  6. Step 6: Final answer
    x = 2,911.56

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1.5x scale

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.