Home / 2,771.30-3,824.46-1,576.49

Finding the Fourth Proportional to 2,771.30, 3,824.46 and 1,576.49

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Solution

The fourth proportional to 2,771.30, 3,824.46 and 1,576.49 is: 2,175.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.30 : 3,824.46 = 1,576.49 : x
  2. Step 2: Convert to fraction form
    2,771.30/3,824.46 = 1,576.49/x
  3. Step 3: Cross multiply
    2,771.30x = 3,824.46 × 1,576.49
  4. Step 4: Simplify right side
    2,771.30x = 6,029,203.82
  5. Step 5: Solve for x
    x = 6,029,203.82/2,771.30
  6. Step 6: Final answer
    x = 2,175.59

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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.