Home / 2,733.41-3,771.46-1,555.13

Finding the Fourth Proportional to 2,733.41, 3,771.46 and 1,555.13

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Solution

The fourth proportional to 2,733.41, 3,771.46 and 1,555.13 is: 2,145.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,733.41 : 3,771.46 = 1,555.13 : x
  2. Step 2: Convert to fraction form
    2,733.41/3,771.46 = 1,555.13/x
  3. Step 3: Cross multiply
    2,733.41x = 3,771.46 × 1,555.13
  4. Step 4: Simplify right side
    2,733.41x = 5,865,121.96
  5. Step 5: Solve for x
    x = 5,865,121.96/2,733.41
  6. Step 6: Final answer
    x = 2,145.71

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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.