Home / 2,999.38-4,521.90-2,787.97

Finding the Fourth Proportional to 2,999.38, 4,521.90 and 2,787.97

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Solution

The fourth proportional to 2,999.38, 4,521.90 and 2,787.97 is: 4,203.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.38 : 4,521.90 = 2,787.97 : x
  2. Step 2: Convert to fraction form
    2,999.38/4,521.90 = 2,787.97/x
  3. Step 3: Cross multiply
    2,999.38x = 4,521.90 × 2,787.97
  4. Step 4: Simplify right side
    2,999.38x = 12,606,898.93
  5. Step 5: Solve for x
    x = 12,606,898.93/2,999.38
  6. Step 6: Final answer
    x = 4,203.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.