Home / 3,290.44-4,932.78-1,237

Finding the Fourth Proportional to 3,290.44, 4,932.78 and 1,237

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Solution

The fourth proportional to 3,290.44, 4,932.78 and 1,237 is: 1,854.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.44 : 4,932.78 = 1,237 : x
  2. Step 2: Convert to fraction form
    3,290.44/4,932.78 = 1,237/x
  3. Step 3: Cross multiply
    3,290.44x = 4,932.78 × 1,237
  4. Step 4: Simplify right side
    3,290.44x = 6,101,848.86
  5. Step 5: Solve for x
    x = 6,101,848.86/3,290.44
  6. Step 6: Final answer
    x = 1,854.42

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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.