Home / 3,556.45-5,332.11-1,681.30

Finding the Fourth Proportional to 3,556.45, 5,332.11 and 1,681.30

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Solution

The fourth proportional to 3,556.45, 5,332.11 and 1,681.30 is: 2,520.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.45 : 5,332.11 = 1,681.30 : x
  2. Step 2: Convert to fraction form
    3,556.45/5,332.11 = 1,681.30/x
  3. Step 3: Cross multiply
    3,556.45x = 5,332.11 × 1,681.30
  4. Step 4: Simplify right side
    3,556.45x = 8,964,849.88
  5. Step 5: Solve for x
    x = 8,964,849.88/3,556.45
  6. Step 6: Final answer
    x = 2,520.73

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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.