Home / 3,005.23-4,504.75-1,155.87

Finding the Fourth Proportional to 3,005.23, 4,504.75 and 1,155.87

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Solution

The fourth proportional to 3,005.23, 4,504.75 and 1,155.87 is: 1,732.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.23 : 4,504.75 = 1,155.87 : x
  2. Step 2: Convert to fraction form
    3,005.23/4,504.75 = 1,155.87/x
  3. Step 3: Cross multiply
    3,005.23x = 4,504.75 × 1,155.87
  4. Step 4: Simplify right side
    3,005.23x = 5,206,905.38
  5. Step 5: Solve for x
    x = 5,206,905.38/3,005.23
  6. Step 6: Final answer
    x = 1,732.61

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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.