Home / 3,631.94-5,445.57-1,553.30

Finding the Fourth Proportional to 3,631.94, 5,445.57 and 1,553.30

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Solution

The fourth proportional to 3,631.94, 5,445.57 and 1,553.30 is: 2,328.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.94 : 5,445.57 = 1,553.30 : x
  2. Step 2: Convert to fraction form
    3,631.94/5,445.57 = 1,553.30/x
  3. Step 3: Cross multiply
    3,631.94x = 5,445.57 × 1,553.30
  4. Step 4: Simplify right side
    3,631.94x = 8,458,603.88
  5. Step 5: Solve for x
    x = 8,458,603.88/3,631.94
  6. Step 6: Final answer
    x = 2,328.95

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1.5x scale

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.