Home / 3,213.63-4,820.82-1,133.20

Finding the Fourth Proportional to 3,213.63, 4,820.82 and 1,133.20

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Solution

The fourth proportional to 3,213.63, 4,820.82 and 1,133.20 is: 1,699.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.63 : 4,820.82 = 1,133.20 : x
  2. Step 2: Convert to fraction form
    3,213.63/4,820.82 = 1,133.20/x
  3. Step 3: Cross multiply
    3,213.63x = 4,820.82 × 1,133.20
  4. Step 4: Simplify right side
    3,213.63x = 5,462,941.17
  5. Step 5: Solve for x
    x = 5,462,941.17/3,213.63
  6. Step 6: Final answer
    x = 1,699.93

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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.