Home / 3,696.60-5,541.30-3,307.80

Finding the Fourth Proportional to 3,696.60, 5,541.30 and 3,307.80

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Solution

The fourth proportional to 3,696.60, 5,541.30 and 3,307.80 is: 4,958.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696.60 : 5,541.30 = 3,307.80 : x
  2. Step 2: Convert to fraction form
    3,696.60/5,541.30 = 3,307.80/x
  3. Step 3: Cross multiply
    3,696.60x = 5,541.30 × 3,307.80
  4. Step 4: Simplify right side
    3,696.60x = 18,329,512.14
  5. Step 5: Solve for x
    x = 18,329,512.14/3,696.60
  6. Step 6: Final answer
    x = 4,958.48

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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.