Home / 3,231.36-4,462.56-2,643.84

Finding the Fourth Proportional to 3,231.36, 4,462.56 and 2,643.84

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Solution

The fourth proportional to 3,231.36, 4,462.56 and 2,643.84 is: 3,651.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.36 : 4,462.56 = 2,643.84 : x
  2. Step 2: Convert to fraction form
    3,231.36/4,462.56 = 2,643.84/x
  3. Step 3: Cross multiply
    3,231.36x = 4,462.56 × 2,643.84
  4. Step 4: Simplify right side
    3,231.36x = 11,798,294.63
  5. Step 5: Solve for x
    x = 11,798,294.63/3,231.36
  6. Step 6: Final answer
    x = 3,651.19

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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.