Home / 3,712.92-5,119.11-2,651.96

Finding the Fourth Proportional to 3,712.92, 5,119.11 and 2,651.96

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Solution

The fourth proportional to 3,712.92, 5,119.11 and 2,651.96 is: 3,656.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.92 : 5,119.11 = 2,651.96 : x
  2. Step 2: Convert to fraction form
    3,712.92/5,119.11 = 2,651.96/x
  3. Step 3: Cross multiply
    3,712.92x = 5,119.11 × 2,651.96
  4. Step 4: Simplify right side
    3,712.92x = 13,575,649.36
  5. Step 5: Solve for x
    x = 13,575,649.36/3,712.92
  6. Step 6: Final answer
    x = 3,656.33

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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.