Home / 2,858.24-3,944.92-1,679.32

Finding the Fourth Proportional to 2,858.24, 3,944.92 and 1,679.32

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Solution

The fourth proportional to 2,858.24, 3,944.92 and 1,679.32 is: 2,317.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.24 : 3,944.92 = 1,679.32 : x
  2. Step 2: Convert to fraction form
    2,858.24/3,944.92 = 1,679.32/x
  3. Step 3: Cross multiply
    2,858.24x = 3,944.92 × 1,679.32
  4. Step 4: Simplify right side
    2,858.24x = 6,624,783.05
  5. Step 5: Solve for x
    x = 6,624,783.05/2,858.24
  6. Step 6: Final answer
    x = 2,317.78

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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.