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Finding the Fourth Proportional to 2,066.98, 3,100.60 and 606

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Solution

The fourth proportional to 2,066.98, 3,100.60 and 606 is: 909.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,066.98 : 3,100.60 = 606 : x
  2. Step 2: Convert to fraction form
    2,066.98/3,100.60 = 606/x
  3. Step 3: Cross multiply
    2,066.98x = 3,100.60 × 606
  4. Step 4: Simplify right side
    2,066.98x = 1,878,963.60
  5. Step 5: Solve for x
    x = 1,878,963.60/2,066.98
  6. Step 6: Final answer
    x = 909.04

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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.