Home / 3,857.22-5,777.40-2,371.92

Finding the Fourth Proportional to 3,857.22, 5,777.40 and 2,371.92

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Solution

The fourth proportional to 3,857.22, 5,777.40 and 2,371.92 is: 3,552.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857.22 : 5,777.40 = 2,371.92 : x
  2. Step 2: Convert to fraction form
    3,857.22/5,777.40 = 2,371.92/x
  3. Step 3: Cross multiply
    3,857.22x = 5,777.40 × 2,371.92
  4. Step 4: Simplify right side
    3,857.22x = 13,703,530.61
  5. Step 5: Solve for x
    x = 13,703,530.61/3,857.22
  6. Step 6: Final answer
    x = 3,552.70

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1.5x scale

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.