Home / 2,340.99-3,229.38-2,174.22

Finding the Fourth Proportional to 2,340.99, 3,229.38 and 2,174.22

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Solution

The fourth proportional to 2,340.99, 3,229.38 and 2,174.22 is: 2,999.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340.99 : 3,229.38 = 2,174.22 : x
  2. Step 2: Convert to fraction form
    2,340.99/3,229.38 = 2,174.22/x
  3. Step 3: Cross multiply
    2,340.99x = 3,229.38 × 2,174.22
  4. Step 4: Simplify right side
    2,340.99x = 7,021,382.58
  5. Step 5: Solve for x
    x = 7,021,382.58/2,340.99
  6. Step 6: Final answer
    x = 2,999.32

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1.5x scale

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.