Home / 2,768.41-3,819.50-1,649.53

Finding the Fourth Proportional to 2,768.41, 3,819.50 and 1,649.53

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Solution

The fourth proportional to 2,768.41, 3,819.50 and 1,649.53 is: 2,275.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.41 : 3,819.50 = 1,649.53 : x
  2. Step 2: Convert to fraction form
    2,768.41/3,819.50 = 1,649.53/x
  3. Step 3: Cross multiply
    2,768.41x = 3,819.50 × 1,649.53
  4. Step 4: Simplify right side
    2,768.41x = 6,300,360.74
  5. Step 5: Solve for x
    x = 6,300,360.74/2,768.41
  6. Step 6: Final answer
    x = 2,275.81

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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.