Home / 2,938.24-4,408.80-1,206.88

Finding the Fourth Proportional to 2,938.24, 4,408.80 and 1,206.88

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Solution

The fourth proportional to 2,938.24, 4,408.80 and 1,206.88 is: 1,810.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.24 : 4,408.80 = 1,206.88 : x
  2. Step 2: Convert to fraction form
    2,938.24/4,408.80 = 1,206.88/x
  3. Step 3: Cross multiply
    2,938.24x = 4,408.80 × 1,206.88
  4. Step 4: Simplify right side
    2,938.24x = 5,320,892.54
  5. Step 5: Solve for x
    x = 5,320,892.54/2,938.24
  6. Step 6: Final answer
    x = 1,810.91

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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.