Home / 3,848.88-5,311.80-2,669.52

Finding the Fourth Proportional to 3,848.88, 5,311.80 and 2,669.52

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Solution

The fourth proportional to 3,848.88, 5,311.80 and 2,669.52 is: 3,684.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.88 : 5,311.80 = 2,669.52 : x
  2. Step 2: Convert to fraction form
    3,848.88/5,311.80 = 2,669.52/x
  3. Step 3: Cross multiply
    3,848.88x = 5,311.80 × 2,669.52
  4. Step 4: Simplify right side
    3,848.88x = 14,179,956.34
  5. Step 5: Solve for x
    x = 14,179,956.34/3,848.88
  6. Step 6: Final answer
    x = 3,684.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.