Home / 1,982.51-2,986.96-1,795.01

Finding the Fourth Proportional to 1,982.51, 2,986.96 and 1,795.01

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Solution

The fourth proportional to 1,982.51, 2,986.96 and 1,795.01 is: 2,704.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982.51 : 2,986.96 = 1,795.01 : x
  2. Step 2: Convert to fraction form
    1,982.51/2,986.96 = 1,795.01/x
  3. Step 3: Cross multiply
    1,982.51x = 2,986.96 × 1,795.01
  4. Step 4: Simplify right side
    1,982.51x = 5,361,614.09
  5. Step 5: Solve for x
    x = 5,361,614.09/1,982.51
  6. Step 6: Final answer
    x = 2,704.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.