Home / 3,722.82-5,136.40-2,307.56

Finding the Fourth Proportional to 3,722.82, 5,136.40 and 2,307.56

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Solution

The fourth proportional to 3,722.82, 5,136.40 and 2,307.56 is: 3,183.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.82 : 5,136.40 = 2,307.56 : x
  2. Step 2: Convert to fraction form
    3,722.82/5,136.40 = 2,307.56/x
  3. Step 3: Cross multiply
    3,722.82x = 5,136.40 × 2,307.56
  4. Step 4: Simplify right side
    3,722.82x = 11,852,551.18
  5. Step 5: Solve for x
    x = 11,852,551.18/3,722.82
  6. Step 6: Final answer
    x = 3,183.76

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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.