Home / 1,998.23-2,994.57-1,905.26

Finding the Fourth Proportional to 1,998.23, 2,994.57 and 1,905.26

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Solution

The fourth proportional to 1,998.23, 2,994.57 and 1,905.26 is: 2,855.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998.23 : 2,994.57 = 1,905.26 : x
  2. Step 2: Convert to fraction form
    1,998.23/2,994.57 = 1,905.26/x
  3. Step 3: Cross multiply
    1,998.23x = 2,994.57 × 1,905.26
  4. Step 4: Simplify right side
    1,998.23x = 5,705,419.47
  5. Step 5: Solve for x
    x = 5,705,419.47/1,998.23
  6. Step 6: Final answer
    x = 2,855.24

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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.