Home / 2,576.13-3,853.31-2,175.81

Finding the Fourth Proportional to 2,576.13, 3,853.31 and 2,175.81

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Solution

The fourth proportional to 2,576.13, 3,853.31 and 2,175.81 is: 3,254.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.13 : 3,853.31 = 2,175.81 : x
  2. Step 2: Convert to fraction form
    2,576.13/3,853.31 = 2,175.81/x
  3. Step 3: Cross multiply
    2,576.13x = 3,853.31 × 2,175.81
  4. Step 4: Simplify right side
    2,576.13x = 8,384,059.55
  5. Step 5: Solve for x
    x = 8,384,059.55/2,576.13
  6. Step 6: Final answer
    x = 3,254.52

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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.