Home / 3,706.20-5,114.30-2,112.62

Finding the Fourth Proportional to 3,706.20, 5,114.30 and 2,112.62

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Solution

The fourth proportional to 3,706.20, 5,114.30 and 2,112.62 is: 2,915.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.20 : 5,114.30 = 2,112.62 : x
  2. Step 2: Convert to fraction form
    3,706.20/5,114.30 = 2,112.62/x
  3. Step 3: Cross multiply
    3,706.20x = 5,114.30 × 2,112.62
  4. Step 4: Simplify right side
    3,706.20x = 10,804,536.33
  5. Step 5: Solve for x
    x = 10,804,536.33/3,706.20
  6. Step 6: Final answer
    x = 2,915.26

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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.