Home / 3,310.46-4,985.49-3,015.21

Finding the Fourth Proportional to 3,310.46, 4,985.49 and 3,015.21

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Solution

The fourth proportional to 3,310.46, 4,985.49 and 3,015.21 is: 4,540.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.46 : 4,985.49 = 3,015.21 : x
  2. Step 2: Convert to fraction form
    3,310.46/4,985.49 = 3,015.21/x
  3. Step 3: Cross multiply
    3,310.46x = 4,985.49 × 3,015.21
  4. Step 4: Simplify right side
    3,310.46x = 15,032,299.30
  5. Step 5: Solve for x
    x = 15,032,299.30/3,310.46
  6. Step 6: Final answer
    x = 4,540.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.