Home / 3,275.22-4,910.13-2,176.86

Finding the Fourth Proportional to 3,275.22, 4,910.13 and 2,176.86

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Solution

The fourth proportional to 3,275.22, 4,910.13 and 2,176.86 is: 3,263.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.22 : 4,910.13 = 2,176.86 : x
  2. Step 2: Convert to fraction form
    3,275.22/4,910.13 = 2,176.86/x
  3. Step 3: Cross multiply
    3,275.22x = 4,910.13 × 2,176.86
  4. Step 4: Simplify right side
    3,275.22x = 10,688,665.59
  5. Step 5: Solve for x
    x = 10,688,665.59/3,275.22
  6. Step 6: Final answer
    x = 3,263.50

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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.