Home / 3,136.46-4,327.34-1,809.99

Finding the Fourth Proportional to 3,136.46, 4,327.34 and 1,809.99

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Solution

The fourth proportional to 3,136.46, 4,327.34 and 1,809.99 is: 2,497.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.46 : 4,327.34 = 1,809.99 : x
  2. Step 2: Convert to fraction form
    3,136.46/4,327.34 = 1,809.99/x
  3. Step 3: Cross multiply
    3,136.46x = 4,327.34 × 1,809.99
  4. Step 4: Simplify right side
    3,136.46x = 7,832,433.08
  5. Step 5: Solve for x
    x = 7,832,433.08/3,136.46
  6. Step 6: Final answer
    x = 2,497.22

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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.