Home / 3,089.80-4,634.70-2,110.60

Finding the Fourth Proportional to 3,089.80, 4,634.70 and 2,110.60

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Solution

The fourth proportional to 3,089.80, 4,634.70 and 2,110.60 is: 3,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.80 : 4,634.70 = 2,110.60 : x
  2. Step 2: Convert to fraction form
    3,089.80/4,634.70 = 2,110.60/x
  3. Step 3: Cross multiply
    3,089.80x = 4,634.70 × 2,110.60
  4. Step 4: Simplify right side
    3,089.80x = 9,781,997.82
  5. Step 5: Solve for x
    x = 9,781,997.82/3,089.80
  6. Step 6: Final answer
    x = 3,165.90

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1.5x scale

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.