Home / 3,329.64-4,993.65-1,137.78

Finding the Fourth Proportional to 3,329.64, 4,993.65 and 1,137.78

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Solution

The fourth proportional to 3,329.64, 4,993.65 and 1,137.78 is: 1,706.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.64 : 4,993.65 = 1,137.78 : x
  2. Step 2: Convert to fraction form
    3,329.64/4,993.65 = 1,137.78/x
  3. Step 3: Cross multiply
    3,329.64x = 4,993.65 × 1,137.78
  4. Step 4: Simplify right side
    3,329.64x = 5,681,675.10
  5. Step 5: Solve for x
    x = 5,681,675.10/3,329.64
  6. Step 6: Final answer
    x = 1,706.39

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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.