Home / 3,848.88-5,775.20-2,387.64

Finding the Fourth Proportional to 3,848.88, 5,775.20 and 2,387.64

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Solution

The fourth proportional to 3,848.88, 5,775.20 and 2,387.64 is: 3,582.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.88 : 5,775.20 = 2,387.64 : x
  2. Step 2: Convert to fraction form
    3,848.88/5,775.20 = 2,387.64/x
  3. Step 3: Cross multiply
    3,848.88x = 5,775.20 × 2,387.64
  4. Step 4: Simplify right side
    3,848.88x = 13,789,098.53
  5. Step 5: Solve for x
    x = 13,789,098.53/3,848.88
  6. Step 6: Final answer
    x = 3,582.63

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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.