Home / 1,183.68-1,772.82-1,030.32

Finding the Fourth Proportional to 1,183.68, 1,772.82 and 1,030.32

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Solution

The fourth proportional to 1,183.68, 1,772.82 and 1,030.32 is: 1,543.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183.68 : 1,772.82 = 1,030.32 : x
  2. Step 2: Convert to fraction form
    1,183.68/1,772.82 = 1,030.32/x
  3. Step 3: Cross multiply
    1,183.68x = 1,772.82 × 1,030.32
  4. Step 4: Simplify right side
    1,183.68x = 1,826,571.90
  5. Step 5: Solve for x
    x = 1,826,571.90/1,183.68
  6. Step 6: Final answer
    x = 1,543.13

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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.