Home / 3,512.05-5,252.56-3,124.78

Finding the Fourth Proportional to 3,512.05, 5,252.56 and 3,124.78

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Solution

The fourth proportional to 3,512.05, 5,252.56 and 3,124.78 is: 4,673.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.05 : 5,252.56 = 3,124.78 : x
  2. Step 2: Convert to fraction form
    3,512.05/5,252.56 = 3,124.78/x
  3. Step 3: Cross multiply
    3,512.05x = 5,252.56 × 3,124.78
  4. Step 4: Simplify right side
    3,512.05x = 16,413,094.44
  5. Step 5: Solve for x
    x = 16,413,094.44/3,512.05
  6. Step 6: Final answer
    x = 4,673.37

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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.