Home / 1,322.70-1,983.30-1,168.93

Finding the Fourth Proportional to 1,322.70, 1,983.30 and 1,168.93

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Solution

The fourth proportional to 1,322.70, 1,983.30 and 1,168.93 is: 1,752.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322.70 : 1,983.30 = 1,168.93 : x
  2. Step 2: Convert to fraction form
    1,322.70/1,983.30 = 1,168.93/x
  3. Step 3: Cross multiply
    1,322.70x = 1,983.30 × 1,168.93
  4. Step 4: Simplify right side
    1,322.70x = 2,318,338.87
  5. Step 5: Solve for x
    x = 2,318,338.87/1,322.70
  6. Step 6: Final answer
    x = 1,752.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.