Home / 2,771.22-4,158.36-1,128.93

Finding the Fourth Proportional to 2,771.22, 4,158.36 and 1,128.93

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Solution

The fourth proportional to 2,771.22, 4,158.36 and 1,128.93 is: 1,694.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.22 : 4,158.36 = 1,128.93 : x
  2. Step 2: Convert to fraction form
    2,771.22/4,158.36 = 1,128.93/x
  3. Step 3: Cross multiply
    2,771.22x = 4,158.36 × 1,128.93
  4. Step 4: Simplify right side
    2,771.22x = 4,694,476.56
  5. Step 5: Solve for x
    x = 4,694,476.56/2,771.22
  6. Step 6: Final answer
    x = 1,694.01

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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.