Home / 2,064.22-2,850.96-1,399.92

Finding the Fourth Proportional to 2,064.22, 2,850.96 and 1,399.92

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Solution

The fourth proportional to 2,064.22, 2,850.96 and 1,399.92 is: 1,933.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,064.22 : 2,850.96 = 1,399.92 : x
  2. Step 2: Convert to fraction form
    2,064.22/2,850.96 = 1,399.92/x
  3. Step 3: Cross multiply
    2,064.22x = 2,850.96 × 1,399.92
  4. Step 4: Simplify right side
    2,064.22x = 3,991,115.92
  5. Step 5: Solve for x
    x = 3,991,115.92/2,064.22
  6. Step 6: Final answer
    x = 1,933.47

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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.