Home / 1,192.66-1,785.67-1,083.08

Finding the Fourth Proportional to 1,192.66, 1,785.67 and 1,083.08

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Solution

The fourth proportional to 1,192.66, 1,785.67 and 1,083.08 is: 1,621.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192.66 : 1,785.67 = 1,083.08 : x
  2. Step 2: Convert to fraction form
    1,192.66/1,785.67 = 1,083.08/x
  3. Step 3: Cross multiply
    1,192.66x = 1,785.67 × 1,083.08
  4. Step 4: Simplify right side
    1,192.66x = 1,934,025.22
  5. Step 5: Solve for x
    x = 1,934,025.22/1,192.66
  6. Step 6: Final answer
    x = 1,621.61

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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.