Home / 3,207.86-4,808.94-1,126.44

Finding the Fourth Proportional to 3,207.86, 4,808.94 and 1,126.44

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Solution

The fourth proportional to 3,207.86, 4,808.94 and 1,126.44 is: 1,688.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.86 : 4,808.94 = 1,126.44 : x
  2. Step 2: Convert to fraction form
    3,207.86/4,808.94 = 1,126.44/x
  3. Step 3: Cross multiply
    3,207.86x = 4,808.94 × 1,126.44
  4. Step 4: Simplify right side
    3,207.86x = 5,416,982.37
  5. Step 5: Solve for x
    x = 5,416,982.37/3,207.86
  6. Step 6: Final answer
    x = 1,688.66

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1.5x scale

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.