Home / 2,070.23-3,105.34-609.35

Finding the Fourth Proportional to 2,070.23, 3,105.34 and 609.35

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Solution

The fourth proportional to 2,070.23, 3,105.34 and 609.35 is: 914.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.23 : 3,105.34 = 609.35 : x
  2. Step 2: Convert to fraction form
    2,070.23/3,105.34 = 609.35/x
  3. Step 3: Cross multiply
    2,070.23x = 3,105.34 × 609.35
  4. Step 4: Simplify right side
    2,070.23x = 1,892,221.88
  5. Step 5: Solve for x
    x = 1,892,221.88/2,070.23
  6. Step 6: Final answer
    x = 914.02

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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.