Home / 3,860.56-5,788.68-1,262.08

Finding the Fourth Proportional to 3,860.56, 5,788.68 and 1,262.08

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Solution

The fourth proportional to 3,860.56, 5,788.68 and 1,262.08 is: 1,892.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.56 : 5,788.68 = 1,262.08 : x
  2. Step 2: Convert to fraction form
    3,860.56/5,788.68 = 1,262.08/x
  3. Step 3: Cross multiply
    3,860.56x = 5,788.68 × 1,262.08
  4. Step 4: Simplify right side
    3,860.56x = 7,305,777.25
  5. Step 5: Solve for x
    x = 7,305,777.25/3,860.56
  6. Step 6: Final answer
    x = 1,892.41

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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.