Home / 3,643.11-5,028.08-2,071.71

Finding the Fourth Proportional to 3,643.11, 5,028.08 and 2,071.71

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Solution

The fourth proportional to 3,643.11, 5,028.08 and 2,071.71 is: 2,859.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.11 : 5,028.08 = 2,071.71 : x
  2. Step 2: Convert to fraction form
    3,643.11/5,028.08 = 2,071.71/x
  3. Step 3: Cross multiply
    3,643.11x = 5,028.08 × 2,071.71
  4. Step 4: Simplify right side
    3,643.11x = 10,416,713.26
  5. Step 5: Solve for x
    x = 10,416,713.26/3,643.11
  6. Step 6: Final answer
    x = 2,859.29

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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.