Home / 3,065.72-4,230.99-1,739.52

Finding the Fourth Proportional to 3,065.72, 4,230.99 and 1,739.52

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Solution

The fourth proportional to 3,065.72, 4,230.99 and 1,739.52 is: 2,400.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.72 : 4,230.99 = 1,739.52 : x
  2. Step 2: Convert to fraction form
    3,065.72/4,230.99 = 1,739.52/x
  3. Step 3: Cross multiply
    3,065.72x = 4,230.99 × 1,739.52
  4. Step 4: Simplify right side
    3,065.72x = 7,359,891.72
  5. Step 5: Solve for x
    x = 7,359,891.72/3,065.72
  6. Step 6: Final answer
    x = 2,400.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.