Home / 3,617.70-4,992.57-2,125.68

Finding the Fourth Proportional to 3,617.70, 4,992.57 and 2,125.68

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Solution

The fourth proportional to 3,617.70, 4,992.57 and 2,125.68 is: 2,933.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.70 : 4,992.57 = 2,125.68 : x
  2. Step 2: Convert to fraction form
    3,617.70/4,992.57 = 2,125.68/x
  3. Step 3: Cross multiply
    3,617.70x = 4,992.57 × 2,125.68
  4. Step 4: Simplify right side
    3,617.70x = 10,612,606.20
  5. Step 5: Solve for x
    x = 10,612,606.20/3,617.70
  6. Step 6: Final answer
    x = 2,933.52

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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.