Home / 3,307.63-4,960.86-1,086.43

Finding the Fourth Proportional to 3,307.63, 4,960.86 and 1,086.43

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Solution

The fourth proportional to 3,307.63, 4,960.86 and 1,086.43 is: 1,629.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.63 : 4,960.86 = 1,086.43 : x
  2. Step 2: Convert to fraction form
    3,307.63/4,960.86 = 1,086.43/x
  3. Step 3: Cross multiply
    3,307.63x = 4,960.86 × 1,086.43
  4. Step 4: Simplify right side
    3,307.63x = 5,389,602.33
  5. Step 5: Solve for x
    x = 5,389,602.33/3,307.63
  6. Step 6: Final answer
    x = 1,629.45

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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.