Home / 2,576.25-3,557.66-1,876.41

Finding the Fourth Proportional to 2,576.25, 3,557.66 and 1,876.41

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Solution

The fourth proportional to 2,576.25, 3,557.66 and 1,876.41 is: 2,591.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.25 : 3,557.66 = 1,876.41 : x
  2. Step 2: Convert to fraction form
    2,576.25/3,557.66 = 1,876.41/x
  3. Step 3: Cross multiply
    2,576.25x = 3,557.66 × 1,876.41
  4. Step 4: Simplify right side
    2,576.25x = 6,675,619.42
  5. Step 5: Solve for x
    x = 6,675,619.42/2,576.25
  6. Step 6: Final answer
    x = 2,591.22

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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.