Home / 2,208.10-3,046.98-1,263.70

Finding the Fourth Proportional to 2,208.10, 3,046.98 and 1,263.70

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Solution

The fourth proportional to 2,208.10, 3,046.98 and 1,263.70 is: 1,743.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.10 : 3,046.98 = 1,263.70 : x
  2. Step 2: Convert to fraction form
    2,208.10/3,046.98 = 1,263.70/x
  3. Step 3: Cross multiply
    2,208.10x = 3,046.98 × 1,263.70
  4. Step 4: Simplify right side
    2,208.10x = 3,850,468.63
  5. Step 5: Solve for x
    x = 3,850,468.63/2,208.10
  6. Step 6: Final answer
    x = 1,743.79

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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.