Home / 3,571.23-5,354.96-1,377.75

Finding the Fourth Proportional to 3,571.23, 5,354.96 and 1,377.75

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Solution

The fourth proportional to 3,571.23, 5,354.96 and 1,377.75 is: 2,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.23 : 5,354.96 = 1,377.75 : x
  2. Step 2: Convert to fraction form
    3,571.23/5,354.96 = 1,377.75/x
  3. Step 3: Cross multiply
    3,571.23x = 5,354.96 × 1,377.75
  4. Step 4: Simplify right side
    3,571.23x = 7,377,789.25
  5. Step 5: Solve for x
    x = 7,377,789.25/3,571.23
  6. Step 6: Final answer
    x = 2,065.90

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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.