Home / 3,857.34-5,787.58-1,855.04

Finding the Fourth Proportional to 3,857.34, 5,787.58 and 1,855.04

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Solution

The fourth proportional to 3,857.34, 5,787.58 and 1,855.04 is: 2,783.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857.34 : 5,787.58 = 1,855.04 : x
  2. Step 2: Convert to fraction form
    3,857.34/5,787.58 = 1,855.04/x
  3. Step 3: Cross multiply
    3,857.34x = 5,787.58 × 1,855.04
  4. Step 4: Simplify right side
    3,857.34x = 10,736,192.40
  5. Step 5: Solve for x
    x = 10,736,192.40/3,857.34
  6. Step 6: Final answer
    x = 2,783.32

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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.