Home / 3,272.69-4,909.85-2,688.68

Finding the Fourth Proportional to 3,272.69, 4,909.85 and 2,688.68

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Solution

The fourth proportional to 3,272.69, 4,909.85 and 2,688.68 is: 4,033.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.69 : 4,909.85 = 2,688.68 : x
  2. Step 2: Convert to fraction form
    3,272.69/4,909.85 = 2,688.68/x
  3. Step 3: Cross multiply
    3,272.69x = 4,909.85 × 2,688.68
  4. Step 4: Simplify right side
    3,272.69x = 13,201,002.05
  5. Step 5: Solve for x
    x = 13,201,002.05/3,272.69
  6. Step 6: Final answer
    x = 4,033.69

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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.