Home / 3,848.88-5,776.96-1,902.45

Finding the Fourth Proportional to 3,848.88, 5,776.96 and 1,902.45

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Solution

The fourth proportional to 3,848.88, 5,776.96 and 1,902.45 is: 2,855.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.88 : 5,776.96 = 1,902.45 : x
  2. Step 2: Convert to fraction form
    3,848.88/5,776.96 = 1,902.45/x
  3. Step 3: Cross multiply
    3,848.88x = 5,776.96 × 1,902.45
  4. Step 4: Simplify right side
    3,848.88x = 10,990,377.55
  5. Step 5: Solve for x
    x = 10,990,377.55/3,848.88
  6. Step 6: Final answer
    x = 2,855.47

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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.