Home / 3,218.12-4,826.82-2,184.76

Finding the Fourth Proportional to 3,218.12, 4,826.82 and 2,184.76

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Solution

The fourth proportional to 3,218.12, 4,826.82 and 2,184.76 is: 3,276.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.12 : 4,826.82 = 2,184.76 : x
  2. Step 2: Convert to fraction form
    3,218.12/4,826.82 = 2,184.76/x
  3. Step 3: Cross multiply
    3,218.12x = 4,826.82 × 2,184.76
  4. Step 4: Simplify right side
    3,218.12x = 10,545,443.26
  5. Step 5: Solve for x
    x = 10,545,443.26/3,218.12
  6. Step 6: Final answer
    x = 3,276.90

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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.