Home / 3,280.26-4,921.93-1,636.93

Finding the Fourth Proportional to 3,280.26, 4,921.93 and 1,636.93

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Solution

The fourth proportional to 3,280.26, 4,921.93 and 1,636.93 is: 2,456.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.26 : 4,921.93 = 1,636.93 : x
  2. Step 2: Convert to fraction form
    3,280.26/4,921.93 = 1,636.93/x
  3. Step 3: Cross multiply
    3,280.26x = 4,921.93 × 1,636.93
  4. Step 4: Simplify right side
    3,280.26x = 8,056,854.87
  5. Step 5: Solve for x
    x = 8,056,854.87/3,280.26
  6. Step 6: Final answer
    x = 2,456.16

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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.