Home / 3,136.85-4,330.45-2,427.09

Finding the Fourth Proportional to 3,136.85, 4,330.45 and 2,427.09

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Solution

The fourth proportional to 3,136.85, 4,330.45 and 2,427.09 is: 3,350.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.85 : 4,330.45 = 2,427.09 : x
  2. Step 2: Convert to fraction form
    3,136.85/4,330.45 = 2,427.09/x
  3. Step 3: Cross multiply
    3,136.85x = 4,330.45 × 2,427.09
  4. Step 4: Simplify right side
    3,136.85x = 10,510,391.89
  5. Step 5: Solve for x
    x = 10,510,391.89/3,136.85
  6. Step 6: Final answer
    x = 3,350.62

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1.5x scale

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.