Home / 3,638.44-5,460.92-2,485

Finding the Fourth Proportional to 3,638.44, 5,460.92 and 2,485

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Solution

The fourth proportional to 3,638.44, 5,460.92 and 2,485 is: 3,729.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.44 : 5,460.92 = 2,485 : x
  2. Step 2: Convert to fraction form
    3,638.44/5,460.92 = 2,485/x
  3. Step 3: Cross multiply
    3,638.44x = 5,460.92 × 2,485
  4. Step 4: Simplify right side
    3,638.44x = 13,570,386.20
  5. Step 5: Solve for x
    x = 13,570,386.20/3,638.44
  6. Step 6: Final answer
    x = 3,729.73

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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.