Home / 3,749.40-5,624.12-2,928.37

Finding the Fourth Proportional to 3,749.40, 5,624.12 and 2,928.37

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Solution

The fourth proportional to 3,749.40, 5,624.12 and 2,928.37 is: 4,392.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.40 : 5,624.12 = 2,928.37 : x
  2. Step 2: Convert to fraction form
    3,749.40/5,624.12 = 2,928.37/x
  3. Step 3: Cross multiply
    3,749.40x = 5,624.12 × 2,928.37
  4. Step 4: Simplify right side
    3,749.40x = 16,469,461.52
  5. Step 5: Solve for x
    x = 16,469,461.52/3,749.40
  6. Step 6: Final answer
    x = 4,392.56

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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.