Home / 3,571.56-5,355.52-2,879.62

Finding the Fourth Proportional to 3,571.56, 5,355.52 and 2,879.62

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Solution

The fourth proportional to 3,571.56, 5,355.52 and 2,879.62 is: 4,317.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.56 : 5,355.52 = 2,879.62 : x
  2. Step 2: Convert to fraction form
    3,571.56/5,355.52 = 2,879.62/x
  3. Step 3: Cross multiply
    3,571.56x = 5,355.52 × 2,879.62
  4. Step 4: Simplify right side
    3,571.56x = 15,421,841.91
  5. Step 5: Solve for x
    x = 15,421,841.91/3,571.56
  6. Step 6: Final answer
    x = 4,317.96

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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.