Home / 3,709.73-5,119.26-2,031.21

Finding the Fourth Proportional to 3,709.73, 5,119.26 and 2,031.21

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Solution

The fourth proportional to 3,709.73, 5,119.26 and 2,031.21 is: 2,802.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.73 : 5,119.26 = 2,031.21 : x
  2. Step 2: Convert to fraction form
    3,709.73/5,119.26 = 2,031.21/x
  3. Step 3: Cross multiply
    3,709.73x = 5,119.26 × 2,031.21
  4. Step 4: Simplify right side
    3,709.73x = 10,398,292.10
  5. Step 5: Solve for x
    x = 10,398,292.10/3,709.73
  6. Step 6: Final answer
    x = 2,802.98

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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.