Home / 3,266.20-4,899.30-1,511.20

Finding the Fourth Proportional to 3,266.20, 4,899.30 and 1,511.20

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Solution

The fourth proportional to 3,266.20, 4,899.30 and 1,511.20 is: 2,266.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.20 : 4,899.30 = 1,511.20 : x
  2. Step 2: Convert to fraction form
    3,266.20/4,899.30 = 1,511.20/x
  3. Step 3: Cross multiply
    3,266.20x = 4,899.30 × 1,511.20
  4. Step 4: Simplify right side
    3,266.20x = 7,403,822.16
  5. Step 5: Solve for x
    x = 7,403,822.16/3,266.20
  6. Step 6: Final answer
    x = 2,266.80

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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.