Home / 3,623.55-5,433.30-1,543.20

Finding the Fourth Proportional to 3,623.55, 5,433.30 and 1,543.20

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Solution

The fourth proportional to 3,623.55, 5,433.30 and 1,543.20 is: 2,313.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.55 : 5,433.30 = 1,543.20 : x
  2. Step 2: Convert to fraction form
    3,623.55/5,433.30 = 1,543.20/x
  3. Step 3: Cross multiply
    3,623.55x = 5,433.30 × 1,543.20
  4. Step 4: Simplify right side
    3,623.55x = 8,384,668.56
  5. Step 5: Solve for x
    x = 8,384,668.56/3,623.55
  6. Step 6: Final answer
    x = 2,313.94

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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.