Home / 1,548.82-2,136.96-1,351.96

Finding the Fourth Proportional to 1,548.82, 2,136.96 and 1,351.96

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Solution

The fourth proportional to 1,548.82, 2,136.96 and 1,351.96 is: 1,865.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.82 : 2,136.96 = 1,351.96 : x
  2. Step 2: Convert to fraction form
    1,548.82/2,136.96 = 1,351.96/x
  3. Step 3: Cross multiply
    1,548.82x = 2,136.96 × 1,351.96
  4. Step 4: Simplify right side
    1,548.82x = 2,889,084.44
  5. Step 5: Solve for x
    x = 2,889,084.44/1,548.82
  6. Step 6: Final answer
    x = 1,865.35

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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.