Home / 1,198.41-1,652.04-949.81

Finding the Fourth Proportional to 1,198.41, 1,652.04 and 949.81

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Solution

The fourth proportional to 1,198.41, 1,652.04 and 949.81 is: 1,309.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198.41 : 1,652.04 = 949.81 : x
  2. Step 2: Convert to fraction form
    1,198.41/1,652.04 = 949.81/x
  3. Step 3: Cross multiply
    1,198.41x = 1,652.04 × 949.81
  4. Step 4: Simplify right side
    1,198.41x = 1,569,118.93
  5. Step 5: Solve for x
    x = 1,569,118.93/1,198.41
  6. Step 6: Final answer
    x = 1,309.34

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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.