Home / 3,114.54-4,298.67-1,789.14

Finding the Fourth Proportional to 3,114.54, 4,298.67 and 1,789.14

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Solution

The fourth proportional to 3,114.54, 4,298.67 and 1,789.14 is: 2,469.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.54 : 4,298.67 = 1,789.14 : x
  2. Step 2: Convert to fraction form
    3,114.54/4,298.67 = 1,789.14/x
  3. Step 3: Cross multiply
    3,114.54x = 4,298.67 × 1,789.14
  4. Step 4: Simplify right side
    3,114.54x = 7,690,922.44
  5. Step 5: Solve for x
    x = 7,690,922.44/3,114.54
  6. Step 6: Final answer
    x = 2,469.36

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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.