Home / 3,540.10-5,299.89-3,164.89

Finding the Fourth Proportional to 3,540.10, 5,299.89 and 3,164.89

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Solution

The fourth proportional to 3,540.10, 5,299.89 and 3,164.89 is: 4,738.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.10 : 5,299.89 = 3,164.89 : x
  2. Step 2: Convert to fraction form
    3,540.10/5,299.89 = 3,164.89/x
  3. Step 3: Cross multiply
    3,540.10x = 5,299.89 × 3,164.89
  4. Step 4: Simplify right side
    3,540.10x = 16,773,568.86
  5. Step 5: Solve for x
    x = 16,773,568.86/3,540.10
  6. Step 6: Final answer
    x = 4,738.16

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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.