Home / 3,838.24-5,757.90-1,890.46

Finding the Fourth Proportional to 3,838.24, 5,757.90 and 1,890.46

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Solution

The fourth proportional to 3,838.24, 5,757.90 and 1,890.46 is: 2,835.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.24 : 5,757.90 = 1,890.46 : x
  2. Step 2: Convert to fraction form
    3,838.24/5,757.90 = 1,890.46/x
  3. Step 3: Cross multiply
    3,838.24x = 5,757.90 × 1,890.46
  4. Step 4: Simplify right side
    3,838.24x = 10,885,079.63
  5. Step 5: Solve for x
    x = 10,885,079.63/3,838.24
  6. Step 6: Final answer
    x = 2,835.96

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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.