Home / 3,708.05-5,116.81-2,092.86

Finding the Fourth Proportional to 3,708.05, 5,116.81 and 2,092.86

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Solution

The fourth proportional to 3,708.05, 5,116.81 and 2,092.86 is: 2,887.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.05 : 5,116.81 = 2,092.86 : x
  2. Step 2: Convert to fraction form
    3,708.05/5,116.81 = 2,092.86/x
  3. Step 3: Cross multiply
    3,708.05x = 5,116.81 × 2,092.86
  4. Step 4: Simplify right side
    3,708.05x = 10,708,751.36
  5. Step 5: Solve for x
    x = 10,708,751.36/3,708.05
  6. Step 6: Final answer
    x = 2,887.97

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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.