Home / 3,243.30-4,861.17-1,488.49

Finding the Fourth Proportional to 3,243.30, 4,861.17 and 1,488.49

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Solution

The fourth proportional to 3,243.30, 4,861.17 and 1,488.49 is: 2,231.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.30 : 4,861.17 = 1,488.49 : x
  2. Step 2: Convert to fraction form
    3,243.30/4,861.17 = 1,488.49/x
  3. Step 3: Cross multiply
    3,243.30x = 4,861.17 × 1,488.49
  4. Step 4: Simplify right side
    3,243.30x = 7,235,807.07
  5. Step 5: Solve for x
    x = 7,235,807.07/3,243.30
  6. Step 6: Final answer
    x = 2,231.00

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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.