Home / 1,695.77-2,340.08-949.73

Finding the Fourth Proportional to 1,695.77, 2,340.08 and 949.73

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Solution

The fourth proportional to 1,695.77, 2,340.08 and 949.73 is: 1,310.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695.77 : 2,340.08 = 949.73 : x
  2. Step 2: Convert to fraction form
    1,695.77/2,340.08 = 949.73/x
  3. Step 3: Cross multiply
    1,695.77x = 2,340.08 × 949.73
  4. Step 4: Simplify right side
    1,695.77x = 2,222,431.29
  5. Step 5: Solve for x
    x = 2,222,431.29/1,695.77
  6. Step 6: Final answer
    x = 1,310.57

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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.