Home / 3,369.63-5,054.70-1,521.78

Finding the Fourth Proportional to 3,369.63, 5,054.70 and 1,521.78

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Solution

The fourth proportional to 3,369.63, 5,054.70 and 1,521.78 is: 2,282.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.63 : 5,054.70 = 1,521.78 : x
  2. Step 2: Convert to fraction form
    3,369.63/5,054.70 = 1,521.78/x
  3. Step 3: Cross multiply
    3,369.63x = 5,054.70 × 1,521.78
  4. Step 4: Simplify right side
    3,369.63x = 7,692,141.37
  5. Step 5: Solve for x
    x = 7,692,141.37/3,369.63
  6. Step 6: Final answer
    x = 2,282.79

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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.