Home / 3,217.76-4,827.36-1,137.92

Finding the Fourth Proportional to 3,217.76, 4,827.36 and 1,137.92

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Solution

The fourth proportional to 3,217.76, 4,827.36 and 1,137.92 is: 1,707.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.76 : 4,827.36 = 1,137.92 : x
  2. Step 2: Convert to fraction form
    3,217.76/4,827.36 = 1,137.92/x
  3. Step 3: Cross multiply
    3,217.76x = 4,827.36 × 1,137.92
  4. Step 4: Simplify right side
    3,217.76x = 5,493,149.49
  5. Step 5: Solve for x
    x = 5,493,149.49/3,217.76
  6. Step 6: Final answer
    x = 1,707.13

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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.