Home / 3,424.50-5,136.84-1,116

Finding the Fourth Proportional to 3,424.50, 5,136.84 and 1,116

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Solution

The fourth proportional to 3,424.50, 5,136.84 and 1,116 is: 1,674.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.50 : 5,136.84 = 1,116 : x
  2. Step 2: Convert to fraction form
    3,424.50/5,136.84 = 1,116/x
  3. Step 3: Cross multiply
    3,424.50x = 5,136.84 × 1,116
  4. Step 4: Simplify right side
    3,424.50x = 5,732,713.44
  5. Step 5: Solve for x
    x = 5,732,713.44/3,424.50
  6. Step 6: Final answer
    x = 1,674.03

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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.