Home / 2,736.18-3,778.92-1,854.36

Finding the Fourth Proportional to 2,736.18, 3,778.92 and 1,854.36

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Solution

The fourth proportional to 2,736.18, 3,778.92 and 1,854.36 is: 2,561.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736.18 : 3,778.92 = 1,854.36 : x
  2. Step 2: Convert to fraction form
    2,736.18/3,778.92 = 1,854.36/x
  3. Step 3: Cross multiply
    2,736.18x = 3,778.92 × 1,854.36
  4. Step 4: Simplify right side
    2,736.18x = 7,007,478.09
  5. Step 5: Solve for x
    x = 7,007,478.09/2,736.18
  6. Step 6: Final answer
    x = 2,561.04

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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.