Home / 2,766.69-3,818.84-1,774.62

Finding the Fourth Proportional to 2,766.69, 3,818.84 and 1,774.62

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Solution

The fourth proportional to 2,766.69, 3,818.84 and 1,774.62 is: 2,449.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.69 : 3,818.84 = 1,774.62 : x
  2. Step 2: Convert to fraction form
    2,766.69/3,818.84 = 1,774.62/x
  3. Step 3: Cross multiply
    2,766.69x = 3,818.84 × 1,774.62
  4. Step 4: Simplify right side
    2,766.69x = 6,776,980.97
  5. Step 5: Solve for x
    x = 6,776,980.97/2,766.69
  6. Step 6: Final answer
    x = 2,449.49

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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.