Home / 3,837.75-5,756.58-2,538.90

Finding the Fourth Proportional to 3,837.75, 5,756.58 and 2,538.90

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Solution

The fourth proportional to 3,837.75, 5,756.58 and 2,538.90 is: 3,808.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.75 : 5,756.58 = 2,538.90 : x
  2. Step 2: Convert to fraction form
    3,837.75/5,756.58 = 2,538.90/x
  3. Step 3: Cross multiply
    3,837.75x = 5,756.58 × 2,538.90
  4. Step 4: Simplify right side
    3,837.75x = 14,615,380.96
  5. Step 5: Solve for x
    x = 14,615,380.96/3,837.75
  6. Step 6: Final answer
    x = 3,808.32

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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.