Home / 3,136.24-4,706.52-1,188.40

Finding the Fourth Proportional to 3,136.24, 4,706.52 and 1,188.40

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Solution

The fourth proportional to 3,136.24, 4,706.52 and 1,188.40 is: 1,783.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.24 : 4,706.52 = 1,188.40 : x
  2. Step 2: Convert to fraction form
    3,136.24/4,706.52 = 1,188.40/x
  3. Step 3: Cross multiply
    3,136.24x = 4,706.52 × 1,188.40
  4. Step 4: Simplify right side
    3,136.24x = 5,593,228.37
  5. Step 5: Solve for x
    x = 5,593,228.37/3,136.24
  6. Step 6: Final answer
    x = 1,783.42

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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.