Home / 2,939.07-4,408.56-1,206.48

Finding the Fourth Proportional to 2,939.07, 4,408.56 and 1,206.48

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Solution

The fourth proportional to 2,939.07, 4,408.56 and 1,206.48 is: 1,809.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.07 : 4,408.56 = 1,206.48 : x
  2. Step 2: Convert to fraction form
    2,939.07/4,408.56 = 1,206.48/x
  3. Step 3: Cross multiply
    2,939.07x = 4,408.56 × 1,206.48
  4. Step 4: Simplify right side
    2,939.07x = 5,318,839.47
  5. Step 5: Solve for x
    x = 5,318,839.47/2,939.07
  6. Step 6: Final answer
    x = 1,809.70

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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.