Home / 3,203.54-4,420.80-1,787.36

Finding the Fourth Proportional to 3,203.54, 4,420.80 and 1,787.36

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Solution

The fourth proportional to 3,203.54, 4,420.80 and 1,787.36 is: 2,466.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.54 : 4,420.80 = 1,787.36 : x
  2. Step 2: Convert to fraction form
    3,203.54/4,420.80 = 1,787.36/x
  3. Step 3: Cross multiply
    3,203.54x = 4,420.80 × 1,787.36
  4. Step 4: Simplify right side
    3,203.54x = 7,901,561.09
  5. Step 5: Solve for x
    x = 7,901,561.09/3,203.54
  6. Step 6: Final answer
    x = 2,466.51

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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.