Home / 3,723.63-5,138.58-2,045

Finding the Fourth Proportional to 3,723.63, 5,138.58 and 2,045

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Solution

The fourth proportional to 3,723.63, 5,138.58 and 2,045 is: 2,822.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.63 : 5,138.58 = 2,045 : x
  2. Step 2: Convert to fraction form
    3,723.63/5,138.58 = 2,045/x
  3. Step 3: Cross multiply
    3,723.63x = 5,138.58 × 2,045
  4. Step 4: Simplify right side
    3,723.63x = 10,508,396.10
  5. Step 5: Solve for x
    x = 10,508,396.10/3,723.63
  6. Step 6: Final answer
    x = 2,822.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.