Home / 3,192.41-4,787.30-1,218.76

Finding the Fourth Proportional to 3,192.41, 4,787.30 and 1,218.76

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Solution

The fourth proportional to 3,192.41, 4,787.30 and 1,218.76 is: 1,827.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.41 : 4,787.30 = 1,218.76 : x
  2. Step 2: Convert to fraction form
    3,192.41/4,787.30 = 1,218.76/x
  3. Step 3: Cross multiply
    3,192.41x = 4,787.30 × 1,218.76
  4. Step 4: Simplify right side
    3,192.41x = 5,834,569.75
  5. Step 5: Solve for x
    x = 5,834,569.75/3,192.41
  6. Step 6: Final answer
    x = 1,827.64

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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.