Home / 3,761.59-5,190.33-2,190.19

Finding the Fourth Proportional to 3,761.59, 5,190.33 and 2,190.19

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Solution

The fourth proportional to 3,761.59, 5,190.33 and 2,190.19 is: 3,022.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.59 : 5,190.33 = 2,190.19 : x
  2. Step 2: Convert to fraction form
    3,761.59/5,190.33 = 2,190.19/x
  3. Step 3: Cross multiply
    3,761.59x = 5,190.33 × 2,190.19
  4. Step 4: Simplify right side
    3,761.59x = 11,367,808.86
  5. Step 5: Solve for x
    x = 11,367,808.86/3,761.59
  6. Step 6: Final answer
    x = 3,022.08

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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.