Home / 2,558.21-3,837.14-997.92

Finding the Fourth Proportional to 2,558.21, 3,837.14 and 997.92

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Solution

The fourth proportional to 2,558.21, 3,837.14 and 997.92 is: 1,496.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.21 : 3,837.14 = 997.92 : x
  2. Step 2: Convert to fraction form
    2,558.21/3,837.14 = 997.92/x
  3. Step 3: Cross multiply
    2,558.21x = 3,837.14 × 997.92
  4. Step 4: Simplify right side
    2,558.21x = 3,829,165.85
  5. Step 5: Solve for x
    x = 3,829,165.85/2,558.21
  6. Step 6: Final answer
    x = 1,496.82

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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.