Home / 3,758.97-5,188.41-2,187.36

Finding the Fourth Proportional to 3,758.97, 5,188.41 and 2,187.36

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Solution

The fourth proportional to 3,758.97, 5,188.41 and 2,187.36 is: 3,019.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758.97 : 5,188.41 = 2,187.36 : x
  2. Step 2: Convert to fraction form
    3,758.97/5,188.41 = 2,187.36/x
  3. Step 3: Cross multiply
    3,758.97x = 5,188.41 × 2,187.36
  4. Step 4: Simplify right side
    3,758.97x = 11,348,920.50
  5. Step 5: Solve for x
    x = 11,348,920.50/3,758.97
  6. Step 6: Final answer
    x = 3,019.16

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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.