Home / 3,747.49-5,620.32-1,554.12

Finding the Fourth Proportional to 3,747.49, 5,620.32 and 1,554.12

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Solution

The fourth proportional to 3,747.49, 5,620.32 and 1,554.12 is: 2,330.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.49 : 5,620.32 = 1,554.12 : x
  2. Step 2: Convert to fraction form
    3,747.49/5,620.32 = 1,554.12/x
  3. Step 3: Cross multiply
    3,747.49x = 5,620.32 × 1,554.12
  4. Step 4: Simplify right side
    3,747.49x = 8,734,651.72
  5. Step 5: Solve for x
    x = 8,734,651.72/3,747.49
  6. Step 6: Final answer
    x = 2,330.80

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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.