Home / 3,772.95-5,206.82-2,280.57

Finding the Fourth Proportional to 3,772.95, 5,206.82 and 2,280.57

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Solution

The fourth proportional to 3,772.95, 5,206.82 and 2,280.57 is: 3,147.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,772.95 : 5,206.82 = 2,280.57 : x
  2. Step 2: Convert to fraction form
    3,772.95/5,206.82 = 2,280.57/x
  3. Step 3: Cross multiply
    3,772.95x = 5,206.82 × 2,280.57
  4. Step 4: Simplify right side
    3,772.95x = 11,874,506.08
  5. Step 5: Solve for x
    x = 11,874,506.08/3,772.95
  6. Step 6: Final answer
    x = 3,147.27

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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.