Home / 3,631.69-5,445.19-1,553.05

Finding the Fourth Proportional to 3,631.69, 5,445.19 and 1,553.05

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Solution

The fourth proportional to 3,631.69, 5,445.19 and 1,553.05 is: 2,328.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.69 : 5,445.19 = 1,553.05 : x
  2. Step 2: Convert to fraction form
    3,631.69/5,445.19 = 1,553.05/x
  3. Step 3: Cross multiply
    3,631.69x = 5,445.19 × 1,553.05
  4. Step 4: Simplify right side
    3,631.69x = 8,456,652.33
  5. Step 5: Solve for x
    x = 8,456,652.33/3,631.69
  6. Step 6: Final answer
    x = 2,328.57

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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.