Home / 2,380.37-3,571.19-899.62

Finding the Fourth Proportional to 2,380.37, 3,571.19 and 899.62

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Solution

The fourth proportional to 2,380.37, 3,571.19 and 899.62 is: 1,349.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.37 : 3,571.19 = 899.62 : x
  2. Step 2: Convert to fraction form
    2,380.37/3,571.19 = 899.62/x
  3. Step 3: Cross multiply
    2,380.37x = 3,571.19 × 899.62
  4. Step 4: Simplify right side
    2,380.37x = 3,212,691.59
  5. Step 5: Solve for x
    x = 3,212,691.59/2,380.37
  6. Step 6: Final answer
    x = 1,349.66

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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.