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Finding the Fourth Proportional to 2,070.62, 3,104.85 and 609.58

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Solution

The fourth proportional to 2,070.62, 3,104.85 and 609.58 is: 914.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.62 : 3,104.85 = 609.58 : x
  2. Step 2: Convert to fraction form
    2,070.62/3,104.85 = 609.58/x
  3. Step 3: Cross multiply
    2,070.62x = 3,104.85 × 609.58
  4. Step 4: Simplify right side
    2,070.62x = 1,892,638.94
  5. Step 5: Solve for x
    x = 1,892,638.94/2,070.62
  6. Step 6: Final answer
    x = 914.05

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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.