Home / 2,767.58-3,818.25-1,648.82

Finding the Fourth Proportional to 2,767.58, 3,818.25 and 1,648.82

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Solution

The fourth proportional to 2,767.58, 3,818.25 and 1,648.82 is: 2,274.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.58 : 3,818.25 = 1,648.82 : x
  2. Step 2: Convert to fraction form
    2,767.58/3,818.25 = 1,648.82/x
  3. Step 3: Cross multiply
    2,767.58x = 3,818.25 × 1,648.82
  4. Step 4: Simplify right side
    2,767.58x = 6,295,606.97
  5. Step 5: Solve for x
    x = 6,295,606.97/2,767.58
  6. Step 6: Final answer
    x = 2,274.77

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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.