Home / 3,772.53-5,205.06-2,280.42

Finding the Fourth Proportional to 3,772.53, 5,205.06 and 2,280.42

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Solution

The fourth proportional to 3,772.53, 5,205.06 and 2,280.42 is: 3,146.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,772.53 : 5,205.06 = 2,280.42 : x
  2. Step 2: Convert to fraction form
    3,772.53/5,205.06 = 2,280.42/x
  3. Step 3: Cross multiply
    3,772.53x = 5,205.06 × 2,280.42
  4. Step 4: Simplify right side
    3,772.53x = 11,869,722.93
  5. Step 5: Solve for x
    x = 11,869,722.93/3,772.53
  6. Step 6: Final answer
    x = 3,146.36

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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.