Home / 1,172.11-1,748.24-1,016.81

Finding the Fourth Proportional to 1,172.11, 1,748.24 and 1,016.81

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Solution

The fourth proportional to 1,172.11, 1,748.24 and 1,016.81 is: 1,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172.11 : 1,748.24 = 1,016.81 : x
  2. Step 2: Convert to fraction form
    1,172.11/1,748.24 = 1,016.81/x
  3. Step 3: Cross multiply
    1,172.11x = 1,748.24 × 1,016.81
  4. Step 4: Simplify right side
    1,172.11x = 1,777,619.17
  5. Step 5: Solve for x
    x = 1,777,619.17/1,172.11
  6. Step 6: Final answer
    x = 1,516.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.