Home / 1,695.56-2,339.79-949.55

Finding the Fourth Proportional to 1,695.56, 2,339.79 and 949.55

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Solution

The fourth proportional to 1,695.56, 2,339.79 and 949.55 is: 1,310.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695.56 : 2,339.79 = 949.55 : x
  2. Step 2: Convert to fraction form
    1,695.56/2,339.79 = 949.55/x
  3. Step 3: Cross multiply
    1,695.56x = 2,339.79 × 949.55
  4. Step 4: Simplify right side
    1,695.56x = 2,221,735.90
  5. Step 5: Solve for x
    x = 2,221,735.90/1,695.56
  6. Step 6: Final answer
    x = 1,310.33

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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.