Home / 1,172.82-1,750.05-1,165.98

Finding the Fourth Proportional to 1,172.82, 1,750.05 and 1,165.98

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Solution

The fourth proportional to 1,172.82, 1,750.05 and 1,165.98 is: 1,739.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172.82 : 1,750.05 = 1,165.98 : x
  2. Step 2: Convert to fraction form
    1,172.82/1,750.05 = 1,165.98/x
  3. Step 3: Cross multiply
    1,172.82x = 1,750.05 × 1,165.98
  4. Step 4: Simplify right side
    1,172.82x = 2,040,523.30
  5. Step 5: Solve for x
    x = 2,040,523.30/1,172.82
  6. Step 6: Final answer
    x = 1,739.84

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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.