Home / 2,266.20-3,399.30-1,615.50

Finding the Fourth Proportional to 2,266.20, 3,399.30 and 1,615.50

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Solution

The fourth proportional to 2,266.20, 3,399.30 and 1,615.50 is: 2,423.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.20 : 3,399.30 = 1,615.50 : x
  2. Step 2: Convert to fraction form
    2,266.20/3,399.30 = 1,615.50/x
  3. Step 3: Cross multiply
    2,266.20x = 3,399.30 × 1,615.50
  4. Step 4: Simplify right side
    2,266.20x = 5,491,569.15
  5. Step 5: Solve for x
    x = 5,491,569.15/2,266.20
  6. Step 6: Final answer
    x = 2,423.25

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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.