Home / 3,164.48-4,745.28-2,125.52

Finding the Fourth Proportional to 3,164.48, 4,745.28 and 2,125.52

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Solution

The fourth proportional to 3,164.48, 4,745.28 and 2,125.52 is: 3,187.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.48 : 4,745.28 = 2,125.52 : x
  2. Step 2: Convert to fraction form
    3,164.48/4,745.28 = 2,125.52/x
  3. Step 3: Cross multiply
    3,164.48x = 4,745.28 × 2,125.52
  4. Step 4: Simplify right side
    3,164.48x = 10,086,187.55
  5. Step 5: Solve for x
    x = 10,086,187.55/3,164.48
  6. Step 6: Final answer
    x = 3,187.31

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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.