Home / 4,136.60-6,205.81-2,290.41

Finding the Fourth Proportional to 4,136.60, 6,205.81 and 2,290.41

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Solution

The fourth proportional to 4,136.60, 6,205.81 and 2,290.41 is: 3,436.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,136.60 : 6,205.81 = 2,290.41 : x
  2. Step 2: Convert to fraction form
    4,136.60/6,205.81 = 2,290.41/x
  3. Step 3: Cross multiply
    4,136.60x = 6,205.81 × 2,290.41
  4. Step 4: Simplify right side
    4,136.60x = 14,213,849.28
  5. Step 5: Solve for x
    x = 14,213,849.28/4,136.60
  6. Step 6: Final answer
    x = 3,436.12

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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.