Home / 3,002.52-4,121.43-2,663.54

Finding the Fourth Proportional to 3,002.52, 4,121.43 and 2,663.54

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Solution

The fourth proportional to 3,002.52, 4,121.43 and 2,663.54 is: 3,656.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.52 : 4,121.43 = 2,663.54 : x
  2. Step 2: Convert to fraction form
    3,002.52/4,121.43 = 2,663.54/x
  3. Step 3: Cross multiply
    3,002.52x = 4,121.43 × 2,663.54
  4. Step 4: Simplify right side
    3,002.52x = 10,977,573.06
  5. Step 5: Solve for x
    x = 10,977,573.06/3,002.52
  6. Step 6: Final answer
    x = 3,656.12

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1.5x scale

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.