Home / 2,512.91-3,769.70-1,051.71

Finding the Fourth Proportional to 2,512.91, 3,769.70 and 1,051.71

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Solution

The fourth proportional to 2,512.91, 3,769.70 and 1,051.71 is: 1,577.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.91 : 3,769.70 = 1,051.71 : x
  2. Step 2: Convert to fraction form
    2,512.91/3,769.70 = 1,051.71/x
  3. Step 3: Cross multiply
    2,512.91x = 3,769.70 × 1,051.71
  4. Step 4: Simplify right side
    2,512.91x = 3,964,625.93
  5. Step 5: Solve for x
    x = 3,964,625.93/2,512.91
  6. Step 6: Final answer
    x = 1,577.71

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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.