Home / 1,696.05-2,340.48-949.95

Finding the Fourth Proportional to 1,696.05, 2,340.48 and 949.95

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Solution

The fourth proportional to 1,696.05, 2,340.48 and 949.95 is: 1,310.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696.05 : 2,340.48 = 949.95 : x
  2. Step 2: Convert to fraction form
    1,696.05/2,340.48 = 949.95/x
  3. Step 3: Cross multiply
    1,696.05x = 2,340.48 × 949.95
  4. Step 4: Simplify right side
    1,696.05x = 2,223,338.98
  5. Step 5: Solve for x
    x = 2,223,338.98/1,696.05
  6. Step 6: Final answer
    x = 1,310.89

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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.