Home / 3,567.87-5,351.85-1,227.78

Finding the Fourth Proportional to 3,567.87, 5,351.85 and 1,227.78

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Solution

The fourth proportional to 3,567.87, 5,351.85 and 1,227.78 is: 1,841.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,567.87 : 5,351.85 = 1,227.78 : x
  2. Step 2: Convert to fraction form
    3,567.87/5,351.85 = 1,227.78/x
  3. Step 3: Cross multiply
    3,567.87x = 5,351.85 × 1,227.78
  4. Step 4: Simplify right side
    3,567.87x = 6,570,894.39
  5. Step 5: Solve for x
    x = 6,570,894.39/3,567.87
  6. Step 6: Final answer
    x = 1,841.69

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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.