Home / 3,837.40-5,753.36-1,860.92

Finding the Fourth Proportional to 3,837.40, 5,753.36 and 1,860.92

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Solution

The fourth proportional to 3,837.40, 5,753.36 and 1,860.92 is: 2,790.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.40 : 5,753.36 = 1,860.92 : x
  2. Step 2: Convert to fraction form
    3,837.40/5,753.36 = 1,860.92/x
  3. Step 3: Cross multiply
    3,837.40x = 5,753.36 × 1,860.92
  4. Step 4: Simplify right side
    3,837.40x = 10,706,542.69
  5. Step 5: Solve for x
    x = 10,706,542.69/3,837.40
  6. Step 6: Final answer
    x = 2,790.05

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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.