Home / 3,688.73-5,533.16-1,190.38

Finding the Fourth Proportional to 3,688.73, 5,533.16 and 1,190.38

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Solution

The fourth proportional to 3,688.73, 5,533.16 and 1,190.38 is: 1,785.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.73 : 5,533.16 = 1,190.38 : x
  2. Step 2: Convert to fraction form
    3,688.73/5,533.16 = 1,190.38/x
  3. Step 3: Cross multiply
    3,688.73x = 5,533.16 × 1,190.38
  4. Step 4: Simplify right side
    3,688.73x = 6,586,563.00
  5. Step 5: Solve for x
    x = 6,586,563.00/3,688.73
  6. Step 6: Final answer
    x = 1,785.59

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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.