Home / 2,208.79-3,048.11-1,264.96

Finding the Fourth Proportional to 2,208.79, 3,048.11 and 1,264.96

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Solution

The fourth proportional to 2,208.79, 3,048.11 and 1,264.96 is: 1,745.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.79 : 3,048.11 = 1,264.96 : x
  2. Step 2: Convert to fraction form
    2,208.79/3,048.11 = 1,264.96/x
  3. Step 3: Cross multiply
    2,208.79x = 3,048.11 × 1,264.96
  4. Step 4: Simplify right side
    2,208.79x = 3,855,739.45
  5. Step 5: Solve for x
    x = 3,855,739.45/2,208.79
  6. Step 6: Final answer
    x = 1,745.63

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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.