Home / 3,749.76-5,619.72-3,260.48

Finding the Fourth Proportional to 3,749.76, 5,619.72 and 3,260.48

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Solution

The fourth proportional to 3,749.76, 5,619.72 and 3,260.48 is: 4,886.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.76 : 5,619.72 = 3,260.48 : x
  2. Step 2: Convert to fraction form
    3,749.76/5,619.72 = 3,260.48/x
  3. Step 3: Cross multiply
    3,749.76x = 5,619.72 × 3,260.48
  4. Step 4: Simplify right side
    3,749.76x = 18,322,984.67
  5. Step 5: Solve for x
    x = 18,322,984.67/3,749.76
  6. Step 6: Final answer
    x = 4,886.44

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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.