Home / 2,767.67-3,818.33-1,772.78

Finding the Fourth Proportional to 2,767.67, 3,818.33 and 1,772.78

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Solution

The fourth proportional to 2,767.67, 3,818.33 and 1,772.78 is: 2,445.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.67 : 3,818.33 = 1,772.78 : x
  2. Step 2: Convert to fraction form
    2,767.67/3,818.33 = 1,772.78/x
  3. Step 3: Cross multiply
    2,767.67x = 3,818.33 × 1,772.78
  4. Step 4: Simplify right side
    2,767.67x = 6,769,059.06
  5. Step 5: Solve for x
    x = 6,769,059.06/2,767.67
  6. Step 6: Final answer
    x = 2,445.76

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1.5x scale

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.