Home / 3,237.88-4,855.79-2,148.02

Finding the Fourth Proportional to 3,237.88, 4,855.79 and 2,148.02

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Solution

The fourth proportional to 3,237.88, 4,855.79 and 2,148.02 is: 3,221.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237.88 : 4,855.79 = 2,148.02 : x
  2. Step 2: Convert to fraction form
    3,237.88/4,855.79 = 2,148.02/x
  3. Step 3: Cross multiply
    3,237.88x = 4,855.79 × 2,148.02
  4. Step 4: Simplify right side
    3,237.88x = 10,430,334.04
  5. Step 5: Solve for x
    x = 10,430,334.04/3,237.88
  6. Step 6: Final answer
    x = 3,221.35

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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.