Home / 3,307.90-4,958.69-1,227.35

Finding the Fourth Proportional to 3,307.90, 4,958.69 and 1,227.35

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Solution

The fourth proportional to 3,307.90, 4,958.69 and 1,227.35 is: 1,839.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.90 : 4,958.69 = 1,227.35 : x
  2. Step 2: Convert to fraction form
    3,307.90/4,958.69 = 1,227.35/x
  3. Step 3: Cross multiply
    3,307.90x = 4,958.69 × 1,227.35
  4. Step 4: Simplify right side
    3,307.90x = 6,086,048.17
  5. Step 5: Solve for x
    x = 6,086,048.17/3,307.90
  6. Step 6: Final answer
    x = 1,839.85

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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.