Home / 3,470.27-4,787.30-2,143.49

Finding the Fourth Proportional to 3,470.27, 4,787.30 and 2,143.49

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Solution

The fourth proportional to 3,470.27, 4,787.30 and 2,143.49 is: 2,956.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.27 : 4,787.30 = 2,143.49 : x
  2. Step 2: Convert to fraction form
    3,470.27/4,787.30 = 2,143.49/x
  3. Step 3: Cross multiply
    3,470.27x = 4,787.30 × 2,143.49
  4. Step 4: Simplify right side
    3,470.27x = 10,261,511.10
  5. Step 5: Solve for x
    x = 10,261,511.10/3,470.27
  6. Step 6: Final answer
    x = 2,956.98

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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.