Home / 3,491.60-5,238.56-2,975.52

Finding the Fourth Proportional to 3,491.60, 5,238.56 and 2,975.52

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Solution

The fourth proportional to 3,491.60, 5,238.56 and 2,975.52 is: 4,464.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.60 : 5,238.56 = 2,975.52 : x
  2. Step 2: Convert to fraction form
    3,491.60/5,238.56 = 2,975.52/x
  3. Step 3: Cross multiply
    3,491.60x = 5,238.56 × 2,975.52
  4. Step 4: Simplify right side
    3,491.60x = 15,587,440.05
  5. Step 5: Solve for x
    x = 15,587,440.05/3,491.60
  6. Step 6: Final answer
    x = 4,464.27

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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.