Home / 2,146.50-3,202.48-1,912.60

Finding the Fourth Proportional to 2,146.50, 3,202.48 and 1,912.60

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Solution

The fourth proportional to 2,146.50, 3,202.48 and 1,912.60 is: 2,853.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.50 : 3,202.48 = 1,912.60 : x
  2. Step 2: Convert to fraction form
    2,146.50/3,202.48 = 1,912.60/x
  3. Step 3: Cross multiply
    2,146.50x = 3,202.48 × 1,912.60
  4. Step 4: Simplify right side
    2,146.50x = 6,125,053.69
  5. Step 5: Solve for x
    x = 6,125,053.69/2,146.50
  6. Step 6: Final answer
    x = 2,853.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.