Home / 2,516.19-3,789.34-2,291.73

Finding the Fourth Proportional to 2,516.19, 3,789.34 and 2,291.73

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Solution

The fourth proportional to 2,516.19, 3,789.34 and 2,291.73 is: 3,451.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,516.19 : 3,789.34 = 2,291.73 : x
  2. Step 2: Convert to fraction form
    2,516.19/3,789.34 = 2,291.73/x
  3. Step 3: Cross multiply
    2,516.19x = 3,789.34 × 2,291.73
  4. Step 4: Simplify right side
    2,516.19x = 8,684,144.16
  5. Step 5: Solve for x
    x = 8,684,144.16/2,516.19
  6. Step 6: Final answer
    x = 3,451.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.