Home / 2,499.26-3,448.96-1,380.19

Finding the Fourth Proportional to 2,499.26, 3,448.96 and 1,380.19

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Solution

The fourth proportional to 2,499.26, 3,448.96 and 1,380.19 is: 1,904.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,499.26 : 3,448.96 = 1,380.19 : x
  2. Step 2: Convert to fraction form
    2,499.26/3,448.96 = 1,380.19/x
  3. Step 3: Cross multiply
    2,499.26x = 3,448.96 × 1,380.19
  4. Step 4: Simplify right side
    2,499.26x = 4,760,212.80
  5. Step 5: Solve for x
    x = 4,760,212.80/2,499.26
  6. Step 6: Final answer
    x = 1,904.65

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Double scale
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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.