Home / 3,213.30-4,820.68-1,364.48

Finding the Fourth Proportional to 3,213.30, 4,820.68 and 1,364.48

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Solution

The fourth proportional to 3,213.30, 4,820.68 and 1,364.48 is: 2,047.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.30 : 4,820.68 = 1,364.48 : x
  2. Step 2: Convert to fraction form
    3,213.30/4,820.68 = 1,364.48/x
  3. Step 3: Cross multiply
    3,213.30x = 4,820.68 × 1,364.48
  4. Step 4: Simplify right side
    3,213.30x = 6,577,721.45
  5. Step 5: Solve for x
    x = 6,577,721.45/3,213.30
  6. Step 6: Final answer
    x = 2,047.03

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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.