Home / 3,409.73-5,111.88-3,136.37

Finding the Fourth Proportional to 3,409.73, 5,111.88 and 3,136.37

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Solution

The fourth proportional to 3,409.73, 5,111.88 and 3,136.37 is: 4,702.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.73 : 5,111.88 = 3,136.37 : x
  2. Step 2: Convert to fraction form
    3,409.73/5,111.88 = 3,136.37/x
  3. Step 3: Cross multiply
    3,409.73x = 5,111.88 × 3,136.37
  4. Step 4: Simplify right side
    3,409.73x = 16,032,747.08
  5. Step 5: Solve for x
    x = 16,032,747.08/3,409.73
  6. Step 6: Final answer
    x = 4,702.06

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1.5x scale

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.