Home / 3,631.83-5,447.94-2,910.12

Finding the Fourth Proportional to 3,631.83, 5,447.94 and 2,910.12

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Solution

The fourth proportional to 3,631.83, 5,447.94 and 2,910.12 is: 4,365.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.83 : 5,447.94 = 2,910.12 : x
  2. Step 2: Convert to fraction form
    3,631.83/5,447.94 = 2,910.12/x
  3. Step 3: Cross multiply
    3,631.83x = 5,447.94 × 2,910.12
  4. Step 4: Simplify right side
    3,631.83x = 15,854,159.15
  5. Step 5: Solve for x
    x = 15,854,159.15/3,631.83
  6. Step 6: Final answer
    x = 4,365.34

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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.