Home / 3,556.78-5,334.40-1,800.69

Finding the Fourth Proportional to 3,556.78, 5,334.40 and 1,800.69

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Solution

The fourth proportional to 3,556.78, 5,334.40 and 1,800.69 is: 2,700.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.78 : 5,334.40 = 1,800.69 : x
  2. Step 2: Convert to fraction form
    3,556.78/5,334.40 = 1,800.69/x
  3. Step 3: Cross multiply
    3,556.78x = 5,334.40 × 1,800.69
  4. Step 4: Simplify right side
    3,556.78x = 9,605,585.47
  5. Step 5: Solve for x
    x = 9,605,585.47/3,556.78
  6. Step 6: Final answer
    x = 2,700.64

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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.