Home / 1,816.93-2,722.66-1,330.32

Finding the Fourth Proportional to 1,816.93, 2,722.66 and 1,330.32

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Solution

The fourth proportional to 1,816.93, 2,722.66 and 1,330.32 is: 1,993.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.93 : 2,722.66 = 1,330.32 : x
  2. Step 2: Convert to fraction form
    1,816.93/2,722.66 = 1,330.32/x
  3. Step 3: Cross multiply
    1,816.93x = 2,722.66 × 1,330.32
  4. Step 4: Simplify right side
    1,816.93x = 3,622,023.42
  5. Step 5: Solve for x
    x = 3,622,023.42/1,816.93
  6. Step 6: Final answer
    x = 1,993.48

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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.