Home / 3,560.78-5,341.31-1,222.39

Finding the Fourth Proportional to 3,560.78, 5,341.31 and 1,222.39

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Solution

The fourth proportional to 3,560.78, 5,341.31 and 1,222.39 is: 1,833.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.78 : 5,341.31 = 1,222.39 : x
  2. Step 2: Convert to fraction form
    3,560.78/5,341.31 = 1,222.39/x
  3. Step 3: Cross multiply
    3,560.78x = 5,341.31 × 1,222.39
  4. Step 4: Simplify right side
    3,560.78x = 6,529,163.93
  5. Step 5: Solve for x
    x = 6,529,163.93/3,560.78
  6. Step 6: Final answer
    x = 1,833.63

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1.5x scale

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.