Home / 2,137.86-3,207.44-1,294.52

Finding the Fourth Proportional to 2,137.86, 3,207.44 and 1,294.52

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Solution

The fourth proportional to 2,137.86, 3,207.44 and 1,294.52 is: 1,942.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.86 : 3,207.44 = 1,294.52 : x
  2. Step 2: Convert to fraction form
    2,137.86/3,207.44 = 1,294.52/x
  3. Step 3: Cross multiply
    2,137.86x = 3,207.44 × 1,294.52
  4. Step 4: Simplify right side
    2,137.86x = 4,152,082.43
  5. Step 5: Solve for x
    x = 4,152,082.43/2,137.86
  6. Step 6: Final answer
    x = 1,942.17

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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.