Home / 2,764.48-3,815.45-1,769.71

Finding the Fourth Proportional to 2,764.48, 3,815.45 and 1,769.71

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Solution

The fourth proportional to 2,764.48, 3,815.45 and 1,769.71 is: 2,442.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.48 : 3,815.45 = 1,769.71 : x
  2. Step 2: Convert to fraction form
    2,764.48/3,815.45 = 1,769.71/x
  3. Step 3: Cross multiply
    2,764.48x = 3,815.45 × 1,769.71
  4. Step 4: Simplify right side
    2,764.48x = 6,752,240.02
  5. Step 5: Solve for x
    x = 6,752,240.02/2,764.48
  6. Step 6: Final answer
    x = 2,442.50

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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.