Home / 1,516.13-2,272.77-1,380.86

Finding the Fourth Proportional to 1,516.13, 2,272.77 and 1,380.86

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Solution

The fourth proportional to 1,516.13, 2,272.77 and 1,380.86 is: 2,069.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.13 : 2,272.77 = 1,380.86 : x
  2. Step 2: Convert to fraction form
    1,516.13/2,272.77 = 1,380.86/x
  3. Step 3: Cross multiply
    1,516.13x = 2,272.77 × 1,380.86
  4. Step 4: Simplify right side
    1,516.13x = 3,138,365.82
  5. Step 5: Solve for x
    x = 3,138,365.82/1,516.13
  6. Step 6: Final answer
    x = 2,069.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.