Home / 3,212.42-4,802.80-2,724.28

Finding the Fourth Proportional to 3,212.42, 4,802.80 and 2,724.28

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Solution

The fourth proportional to 3,212.42, 4,802.80 and 2,724.28 is: 4,073.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.42 : 4,802.80 = 2,724.28 : x
  2. Step 2: Convert to fraction form
    3,212.42/4,802.80 = 2,724.28/x
  3. Step 3: Cross multiply
    3,212.42x = 4,802.80 × 2,724.28
  4. Step 4: Simplify right side
    3,212.42x = 13,084,171.98
  5. Step 5: Solve for x
    x = 13,084,171.98/3,212.42
  6. Step 6: Final answer
    x = 4,073.00

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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.