Home / 3,528.14-5,292.22-1,447.78

Finding the Fourth Proportional to 3,528.14, 5,292.22 and 1,447.78

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Solution

The fourth proportional to 3,528.14, 5,292.22 and 1,447.78 is: 2,171.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.14 : 5,292.22 = 1,447.78 : x
  2. Step 2: Convert to fraction form
    3,528.14/5,292.22 = 1,447.78/x
  3. Step 3: Cross multiply
    3,528.14x = 5,292.22 × 1,447.78
  4. Step 4: Simplify right side
    3,528.14x = 7,661,970.27
  5. Step 5: Solve for x
    x = 7,661,970.27/3,528.14
  6. Step 6: Final answer
    x = 2,171.67

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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.