Home / 3,565.22-4,921.14-2,072.85

Finding the Fourth Proportional to 3,565.22, 4,921.14 and 2,072.85

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Solution

The fourth proportional to 3,565.22, 4,921.14 and 2,072.85 is: 2,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.22 : 4,921.14 = 2,072.85 : x
  2. Step 2: Convert to fraction form
    3,565.22/4,921.14 = 2,072.85/x
  3. Step 3: Cross multiply
    3,565.22x = 4,921.14 × 2,072.85
  4. Step 4: Simplify right side
    3,565.22x = 10,200,785.05
  5. Step 5: Solve for x
    x = 10,200,785.05/3,565.22
  6. Step 6: Final answer
    x = 2,861.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.