Home / 1,860.96-2,788.38-1,449.06

Finding the Fourth Proportional to 1,860.96, 2,788.38 and 1,449.06

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Solution

The fourth proportional to 1,860.96, 2,788.38 and 1,449.06 is: 2,171.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.96 : 2,788.38 = 1,449.06 : x
  2. Step 2: Convert to fraction form
    1,860.96/2,788.38 = 1,449.06/x
  3. Step 3: Cross multiply
    1,860.96x = 2,788.38 × 1,449.06
  4. Step 4: Simplify right side
    1,860.96x = 4,040,529.92
  5. Step 5: Solve for x
    x = 4,040,529.92/1,860.96
  6. Step 6: Final answer
    x = 2,171.21

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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.