Home / 2,701.91-4,052.86-2,086.51

Finding the Fourth Proportional to 2,701.91, 4,052.86 and 2,086.51

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Solution

The fourth proportional to 2,701.91, 4,052.86 and 2,086.51 is: 3,129.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,701.91 : 4,052.86 = 2,086.51 : x
  2. Step 2: Convert to fraction form
    2,701.91/4,052.86 = 2,086.51/x
  3. Step 3: Cross multiply
    2,701.91x = 4,052.86 × 2,086.51
  4. Step 4: Simplify right side
    2,701.91x = 8,456,317.57
  5. Step 5: Solve for x
    x = 8,456,317.57/2,701.91
  6. Step 6: Final answer
    x = 3,129.76

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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.