Home / 2,110.14-3,164.94-648.90

Finding the Fourth Proportional to 2,110.14, 3,164.94 and 648.90

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Solution

The fourth proportional to 2,110.14, 3,164.94 and 648.90 is: 973.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.14 : 3,164.94 = 648.90 : x
  2. Step 2: Convert to fraction form
    2,110.14/3,164.94 = 648.90/x
  3. Step 3: Cross multiply
    2,110.14x = 3,164.94 × 648.90
  4. Step 4: Simplify right side
    2,110.14x = 2,053,729.57
  5. Step 5: Solve for x
    x = 2,053,729.57/2,110.14
  6. Step 6: Final answer
    x = 973.27

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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.