Home / 2,500.45-3,745-2,005.14

Finding the Fourth Proportional to 2,500.45, 3,745 and 2,005.14

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Solution

The fourth proportional to 2,500.45, 3,745 and 2,005.14 is: 3,003.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,500.45 : 3,745 = 2,005.14 : x
  2. Step 2: Convert to fraction form
    2,500.45/3,745 = 2,005.14/x
  3. Step 3: Cross multiply
    2,500.45x = 3,745 × 2,005.14
  4. Step 4: Simplify right side
    2,500.45x = 7,509,249.30
  5. Step 5: Solve for x
    x = 7,509,249.30/2,500.45
  6. Step 6: Final answer
    x = 3,003.16

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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.