Home / 3,266.20-4,902.90-1,808.20

Finding the Fourth Proportional to 3,266.20, 4,902.90 and 1,808.20

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Solution

The fourth proportional to 3,266.20, 4,902.90 and 1,808.20 is: 2,714.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.20 : 4,902.90 = 1,808.20 : x
  2. Step 2: Convert to fraction form
    3,266.20/4,902.90 = 1,808.20/x
  3. Step 3: Cross multiply
    3,266.20x = 4,902.90 × 1,808.20
  4. Step 4: Simplify right side
    3,266.20x = 8,865,423.78
  5. Step 5: Solve for x
    x = 8,865,423.78/3,266.20
  6. Step 6: Final answer
    x = 2,714.29

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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.