Home / 3,892.02-5,370.98-2,213.39

Finding the Fourth Proportional to 3,892.02, 5,370.98 and 2,213.39

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Solution

The fourth proportional to 3,892.02, 5,370.98 and 2,213.39 is: 3,054.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.02 : 5,370.98 = 2,213.39 : x
  2. Step 2: Convert to fraction form
    3,892.02/5,370.98 = 2,213.39/x
  3. Step 3: Cross multiply
    3,892.02x = 5,370.98 × 2,213.39
  4. Step 4: Simplify right side
    3,892.02x = 11,888,052.10
  5. Step 5: Solve for x
    x = 11,888,052.10/3,892.02
  6. Step 6: Final answer
    x = 3,054.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.