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Finding the Fourth Proportional to 2,076.60, 3,116.60 and 2,060.40

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Solution

The fourth proportional to 2,076.60, 3,116.60 and 2,060.40 is: 3,092.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.60 : 3,116.60 = 2,060.40 : x
  2. Step 2: Convert to fraction form
    2,076.60/3,116.60 = 2,060.40/x
  3. Step 3: Cross multiply
    2,076.60x = 3,116.60 × 2,060.40
  4. Step 4: Simplify right side
    2,076.60x = 6,421,442.64
  5. Step 5: Solve for x
    x = 6,421,442.64/2,076.60
  6. Step 6: Final answer
    x = 3,092.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.