Home / 2,521.46-3,787.66-2,193.40

Finding the Fourth Proportional to 2,521.46, 3,787.66 and 2,193.40

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Solution

The fourth proportional to 2,521.46, 3,787.66 and 2,193.40 is: 3,294.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521.46 : 3,787.66 = 2,193.40 : x
  2. Step 2: Convert to fraction form
    2,521.46/3,787.66 = 2,193.40/x
  3. Step 3: Cross multiply
    2,521.46x = 3,787.66 × 2,193.40
  4. Step 4: Simplify right side
    2,521.46x = 8,307,853.44
  5. Step 5: Solve for x
    x = 8,307,853.44/2,521.46
  6. Step 6: Final answer
    x = 3,294.86

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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.