Home / 3,292.62-4,938.93-1,212.72

Finding the Fourth Proportional to 3,292.62, 4,938.93 and 1,212.72

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Solution

The fourth proportional to 3,292.62, 4,938.93 and 1,212.72 is: 1,819.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292.62 : 4,938.93 = 1,212.72 : x
  2. Step 2: Convert to fraction form
    3,292.62/4,938.93 = 1,212.72/x
  3. Step 3: Cross multiply
    3,292.62x = 4,938.93 × 1,212.72
  4. Step 4: Simplify right side
    3,292.62x = 5,989,539.19
  5. Step 5: Solve for x
    x = 5,989,539.19/3,292.62
  6. Step 6: Final answer
    x = 1,819.08

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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.