Home / 3,177.56-4,759.96-1,788.81

Finding the Fourth Proportional to 3,177.56, 4,759.96 and 1,788.81

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Solution

The fourth proportional to 3,177.56, 4,759.96 and 1,788.81 is: 2,679.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.56 : 4,759.96 = 1,788.81 : x
  2. Step 2: Convert to fraction form
    3,177.56/4,759.96 = 1,788.81/x
  3. Step 3: Cross multiply
    3,177.56x = 4,759.96 × 1,788.81
  4. Step 4: Simplify right side
    3,177.56x = 8,514,655.10
  5. Step 5: Solve for x
    x = 8,514,655.10/3,177.56
  6. Step 6: Final answer
    x = 2,679.62

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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.