Home / 2,747.24-4,123.07-1,431.39

Finding the Fourth Proportional to 2,747.24, 4,123.07 and 1,431.39

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Solution

The fourth proportional to 2,747.24, 4,123.07 and 1,431.39 is: 2,148.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.24 : 4,123.07 = 1,431.39 : x
  2. Step 2: Convert to fraction form
    2,747.24/4,123.07 = 1,431.39/x
  3. Step 3: Cross multiply
    2,747.24x = 4,123.07 × 1,431.39
  4. Step 4: Simplify right side
    2,747.24x = 5,901,740.21
  5. Step 5: Solve for x
    x = 5,901,740.21/2,747.24
  6. Step 6: Final answer
    x = 2,148.24

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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.