Home / 3,371.68-5,058.44-1,911.87

Finding the Fourth Proportional to 3,371.68, 5,058.44 and 1,911.87

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Solution

The fourth proportional to 3,371.68, 5,058.44 and 1,911.87 is: 2,868.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.68 : 5,058.44 = 1,911.87 : x
  2. Step 2: Convert to fraction form
    3,371.68/5,058.44 = 1,911.87/x
  3. Step 3: Cross multiply
    3,371.68x = 5,058.44 × 1,911.87
  4. Step 4: Simplify right side
    3,371.68x = 9,671,079.68
  5. Step 5: Solve for x
    x = 9,671,079.68/3,371.68
  6. Step 6: Final answer
    x = 2,868.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.