Home / 2,070.07-3,105.26-609.28

Finding the Fourth Proportional to 2,070.07, 3,105.26 and 609.28

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Solution

The fourth proportional to 2,070.07, 3,105.26 and 609.28 is: 913.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.07 : 3,105.26 = 609.28 : x
  2. Step 2: Convert to fraction form
    2,070.07/3,105.26 = 609.28/x
  3. Step 3: Cross multiply
    2,070.07x = 3,105.26 × 609.28
  4. Step 4: Simplify right side
    2,070.07x = 1,891,983.98
  5. Step 5: Solve for x
    x = 1,891,983.98/2,070.07
  6. Step 6: Final answer
    x = 913.97

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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.