Home / 3,433.59-4,738.55-1,940.96

Finding the Fourth Proportional to 3,433.59, 4,738.55 and 1,940.96

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Solution

The fourth proportional to 3,433.59, 4,738.55 and 1,940.96 is: 2,678.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.59 : 4,738.55 = 1,940.96 : x
  2. Step 2: Convert to fraction form
    3,433.59/4,738.55 = 1,940.96/x
  3. Step 3: Cross multiply
    3,433.59x = 4,738.55 × 1,940.96
  4. Step 4: Simplify right side
    3,433.59x = 9,197,349.07
  5. Step 5: Solve for x
    x = 9,197,349.07/3,433.59
  6. Step 6: Final answer
    x = 2,678.64

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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.