Home / 3,239.36-4,470.72-1,842.56

Finding the Fourth Proportional to 3,239.36, 4,470.72 and 1,842.56

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Solution

The fourth proportional to 3,239.36, 4,470.72 and 1,842.56 is: 2,542.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.36 : 4,470.72 = 1,842.56 : x
  2. Step 2: Convert to fraction form
    3,239.36/4,470.72 = 1,842.56/x
  3. Step 3: Cross multiply
    3,239.36x = 4,470.72 × 1,842.56
  4. Step 4: Simplify right side
    3,239.36x = 8,237,569.84
  5. Step 5: Solve for x
    x = 8,237,569.84/3,239.36
  6. Step 6: Final answer
    x = 2,542.96

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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.