Home / 2,939.68-4,403.31-1,765.99

Finding the Fourth Proportional to 2,939.68, 4,403.31 and 1,765.99

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Solution

The fourth proportional to 2,939.68, 4,403.31 and 1,765.99 is: 2,645.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.68 : 4,403.31 = 1,765.99 : x
  2. Step 2: Convert to fraction form
    2,939.68/4,403.31 = 1,765.99/x
  3. Step 3: Cross multiply
    2,939.68x = 4,403.31 × 1,765.99
  4. Step 4: Simplify right side
    2,939.68x = 7,776,201.43
  5. Step 5: Solve for x
    x = 7,776,201.43/2,939.68
  6. Step 6: Final answer
    x = 2,645.25

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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.