Home / 3,003.52-4,122.80-2,664.54

Finding the Fourth Proportional to 3,003.52, 4,122.80 and 2,664.54

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Solution

The fourth proportional to 3,003.52, 4,122.80 and 2,664.54 is: 3,657.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.52 : 4,122.80 = 2,664.54 : x
  2. Step 2: Convert to fraction form
    3,003.52/4,122.80 = 2,664.54/x
  3. Step 3: Cross multiply
    3,003.52x = 4,122.80 × 2,664.54
  4. Step 4: Simplify right side
    3,003.52x = 10,985,365.51
  5. Step 5: Solve for x
    x = 10,985,365.51/3,003.52
  6. Step 6: Final answer
    x = 3,657.50

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.