Home / 3,212.55-4,788.38-2,975.82

Finding the Fourth Proportional to 3,212.55, 4,788.38 and 2,975.82

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Solution

The fourth proportional to 3,212.55, 4,788.38 and 2,975.82 is: 4,435.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.55 : 4,788.38 = 2,975.82 : x
  2. Step 2: Convert to fraction form
    3,212.55/4,788.38 = 2,975.82/x
  3. Step 3: Cross multiply
    3,212.55x = 4,788.38 × 2,975.82
  4. Step 4: Simplify right side
    3,212.55x = 14,249,356.97
  5. Step 5: Solve for x
    x = 14,249,356.97/3,212.55
  6. Step 6: Final answer
    x = 4,435.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.