Home / 3,787.15-5,683.16-1,838.29

Finding the Fourth Proportional to 3,787.15, 5,683.16 and 1,838.29

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Solution

The fourth proportional to 3,787.15, 5,683.16 and 1,838.29 is: 2,758.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.15 : 5,683.16 = 1,838.29 : x
  2. Step 2: Convert to fraction form
    3,787.15/5,683.16 = 1,838.29/x
  3. Step 3: Cross multiply
    3,787.15x = 5,683.16 × 1,838.29
  4. Step 4: Simplify right side
    3,787.15x = 10,447,296.20
  5. Step 5: Solve for x
    x = 10,447,296.20/3,787.15
  6. Step 6: Final answer
    x = 2,758.62

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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.