Home / 3,723.19-5,140.41-2,308.38

Finding the Fourth Proportional to 3,723.19, 5,140.41 and 2,308.38

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Solution

The fourth proportional to 3,723.19, 5,140.41 and 2,308.38 is: 3,187.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.19 : 5,140.41 = 2,308.38 : x
  2. Step 2: Convert to fraction form
    3,723.19/5,140.41 = 2,308.38/x
  3. Step 3: Cross multiply
    3,723.19x = 5,140.41 × 2,308.38
  4. Step 4: Simplify right side
    3,723.19x = 11,866,027.11
  5. Step 5: Solve for x
    x = 11,866,027.11/3,723.19
  6. Step 6: Final answer
    x = 3,187.06

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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.