Home / 3,759.54-5,187.90-2,247.09

Finding the Fourth Proportional to 3,759.54, 5,187.90 and 2,247.09

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Solution

The fourth proportional to 3,759.54, 5,187.90 and 2,247.09 is: 3,100.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.54 : 5,187.90 = 2,247.09 : x
  2. Step 2: Convert to fraction form
    3,759.54/5,187.90 = 2,247.09/x
  3. Step 3: Cross multiply
    3,759.54x = 5,187.90 × 2,247.09
  4. Step 4: Simplify right side
    3,759.54x = 11,657,678.21
  5. Step 5: Solve for x
    x = 11,657,678.21/3,759.54
  6. Step 6: Final answer
    x = 3,100.83

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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.