Home / 3,749.28-5,628.72-2,884.16

Finding the Fourth Proportional to 3,749.28, 5,628.72 and 2,884.16

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Solution

The fourth proportional to 3,749.28, 5,628.72 and 2,884.16 is: 4,329.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.28 : 5,628.72 = 2,884.16 : x
  2. Step 2: Convert to fraction form
    3,749.28/5,628.72 = 2,884.16/x
  3. Step 3: Cross multiply
    3,749.28x = 5,628.72 × 2,884.16
  4. Step 4: Simplify right side
    3,749.28x = 16,234,129.08
  5. Step 5: Solve for x
    x = 16,234,129.08/3,749.28
  6. Step 6: Final answer
    x = 4,329.93

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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.