Home / 3,906.29-5,860.30-1,133.07

Finding the Fourth Proportional to 3,906.29, 5,860.30 and 1,133.07

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Solution

The fourth proportional to 3,906.29, 5,860.30 and 1,133.07 is: 1,699.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906.29 : 5,860.30 = 1,133.07 : x
  2. Step 2: Convert to fraction form
    3,906.29/5,860.30 = 1,133.07/x
  3. Step 3: Cross multiply
    3,906.29x = 5,860.30 × 1,133.07
  4. Step 4: Simplify right side
    3,906.29x = 6,640,130.12
  5. Step 5: Solve for x
    x = 6,640,130.12/3,906.29
  6. Step 6: Final answer
    x = 1,699.86

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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.