Home / 3,671.46-5,505.54-2,191.37

Finding the Fourth Proportional to 3,671.46, 5,505.54 and 2,191.37

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Solution

The fourth proportional to 3,671.46, 5,505.54 and 2,191.37 is: 3,286.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.46 : 5,505.54 = 2,191.37 : x
  2. Step 2: Convert to fraction form
    3,671.46/5,505.54 = 2,191.37/x
  3. Step 3: Cross multiply
    3,671.46x = 5,505.54 × 2,191.37
  4. Step 4: Simplify right side
    3,671.46x = 12,064,675.19
  5. Step 5: Solve for x
    x = 12,064,675.19/3,671.46
  6. Step 6: Final answer
    x = 3,286.07

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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.