Home / 3,772.48-5,206.17-2,280.11

Finding the Fourth Proportional to 3,772.48, 5,206.17 and 2,280.11

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Solution

The fourth proportional to 3,772.48, 5,206.17 and 2,280.11 is: 3,146.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,772.48 : 5,206.17 = 2,280.11 : x
  2. Step 2: Convert to fraction form
    3,772.48/5,206.17 = 2,280.11/x
  3. Step 3: Cross multiply
    3,772.48x = 5,206.17 × 2,280.11
  4. Step 4: Simplify right side
    3,772.48x = 11,870,622.80
  5. Step 5: Solve for x
    x = 11,870,622.80/3,772.48
  6. Step 6: Final answer
    x = 3,146.64

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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.