Home / 3,282.21-4,920.12-1,818.30

Finding the Fourth Proportional to 3,282.21, 4,920.12 and 1,818.30

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Solution

The fourth proportional to 3,282.21, 4,920.12 and 1,818.30 is: 2,725.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.21 : 4,920.12 = 1,818.30 : x
  2. Step 2: Convert to fraction form
    3,282.21/4,920.12 = 1,818.30/x
  3. Step 3: Cross multiply
    3,282.21x = 4,920.12 × 1,818.30
  4. Step 4: Simplify right side
    3,282.21x = 8,946,254.20
  5. Step 5: Solve for x
    x = 8,946,254.20/3,282.21
  6. Step 6: Final answer
    x = 2,725.68

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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.