Home / 3,491.60-5,233.08-2,100.56

Finding the Fourth Proportional to 3,491.60, 5,233.08 and 2,100.56

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Solution

The fourth proportional to 3,491.60, 5,233.08 and 2,100.56 is: 3,148.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.60 : 5,233.08 = 2,100.56 : x
  2. Step 2: Convert to fraction form
    3,491.60/5,233.08 = 2,100.56/x
  3. Step 3: Cross multiply
    3,491.60x = 5,233.08 × 2,100.56
  4. Step 4: Simplify right side
    3,491.60x = 10,992,398.52
  5. Step 5: Solve for x
    x = 10,992,398.52/3,491.60
  6. Step 6: Final answer
    x = 3,148.24

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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.