Home / 2,738.79-4,108.37-1,505.55

Finding the Fourth Proportional to 2,738.79, 4,108.37 and 1,505.55

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Solution

The fourth proportional to 2,738.79, 4,108.37 and 1,505.55 is: 2,258.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738.79 : 4,108.37 = 1,505.55 : x
  2. Step 2: Convert to fraction form
    2,738.79/4,108.37 = 1,505.55/x
  3. Step 3: Cross multiply
    2,738.79x = 4,108.37 × 1,505.55
  4. Step 4: Simplify right side
    2,738.79x = 6,185,348.93
  5. Step 5: Solve for x
    x = 6,185,348.93/2,738.79
  6. Step 6: Final answer
    x = 2,258.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.