Home / 3,212.52-4,426.36-2,162.76

Finding the Fourth Proportional to 3,212.52, 4,426.36 and 2,162.76

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Solution

The fourth proportional to 3,212.52, 4,426.36 and 2,162.76 is: 2,979.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.52 : 4,426.36 = 2,162.76 : x
  2. Step 2: Convert to fraction form
    3,212.52/4,426.36 = 2,162.76/x
  3. Step 3: Cross multiply
    3,212.52x = 4,426.36 × 2,162.76
  4. Step 4: Simplify right side
    3,212.52x = 9,573,154.35
  5. Step 5: Solve for x
    x = 9,573,154.35/3,212.52
  6. Step 6: Final answer
    x = 2,979.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.