Home / 3,745.27-5,168.70-2,152.43

Finding the Fourth Proportional to 3,745.27, 5,168.70 and 2,152.43

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Solution

The fourth proportional to 3,745.27, 5,168.70 and 2,152.43 is: 2,970.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.27 : 5,168.70 = 2,152.43 : x
  2. Step 2: Convert to fraction form
    3,745.27/5,168.70 = 2,152.43/x
  3. Step 3: Cross multiply
    3,745.27x = 5,168.70 × 2,152.43
  4. Step 4: Simplify right side
    3,745.27x = 11,125,239.10
  5. Step 5: Solve for x
    x = 11,125,239.10/3,745.27
  6. Step 6: Final answer
    x = 2,970.48

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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.