Home / 4,268.78-5,890.93-2,380.35

Finding the Fourth Proportional to 4,268.78, 5,890.93 and 2,380.35

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Solution

The fourth proportional to 4,268.78, 5,890.93 and 2,380.35 is: 3,284.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.78 : 5,890.93 = 2,380.35 : x
  2. Step 2: Convert to fraction form
    4,268.78/5,890.93 = 2,380.35/x
  3. Step 3: Cross multiply
    4,268.78x = 5,890.93 × 2,380.35
  4. Step 4: Simplify right side
    4,268.78x = 14,022,469.27
  5. Step 5: Solve for x
    x = 14,022,469.27/4,268.78
  6. Step 6: Final answer
    x = 3,284.89

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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.