Home / 3,213.14-4,820.43-1,133.30

Finding the Fourth Proportional to 3,213.14, 4,820.43 and 1,133.30

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Solution

The fourth proportional to 3,213.14, 4,820.43 and 1,133.30 is: 1,700.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.14 : 4,820.43 = 1,133.30 : x
  2. Step 2: Convert to fraction form
    3,213.14/4,820.43 = 1,133.30/x
  3. Step 3: Cross multiply
    3,213.14x = 4,820.43 × 1,133.30
  4. Step 4: Simplify right side
    3,213.14x = 5,462,973.47
  5. Step 5: Solve for x
    x = 5,462,973.47/3,213.14
  6. Step 6: Final answer
    x = 1,700.20

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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.