Home / 3,291.39-4,937.55-1,069.49

Finding the Fourth Proportional to 3,291.39, 4,937.55 and 1,069.49

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Solution

The fourth proportional to 3,291.39, 4,937.55 and 1,069.49 is: 1,604.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.39 : 4,937.55 = 1,069.49 : x
  2. Step 2: Convert to fraction form
    3,291.39/4,937.55 = 1,069.49/x
  3. Step 3: Cross multiply
    3,291.39x = 4,937.55 × 1,069.49
  4. Step 4: Simplify right side
    3,291.39x = 5,280,635.66
  5. Step 5: Solve for x
    x = 5,280,635.66/3,291.39
  6. Step 6: Final answer
    x = 1,604.38

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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.