Home / 1,399.44-2,097.54-1,269.84

Finding the Fourth Proportional to 1,399.44, 2,097.54 and 1,269.84

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Solution

The fourth proportional to 1,399.44, 2,097.54 and 1,269.84 is: 1,903.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399.44 : 2,097.54 = 1,269.84 : x
  2. Step 2: Convert to fraction form
    1,399.44/2,097.54 = 1,269.84/x
  3. Step 3: Cross multiply
    1,399.44x = 2,097.54 × 1,269.84
  4. Step 4: Simplify right side
    1,399.44x = 2,663,540.19
  5. Step 5: Solve for x
    x = 2,663,540.19/1,399.44
  6. Step 6: Final answer
    x = 1,903.29

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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.