Home / 1,984.33-2,739.54-1,322.11

Finding the Fourth Proportional to 1,984.33, 2,739.54 and 1,322.11

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Solution

The fourth proportional to 1,984.33, 2,739.54 and 1,322.11 is: 1,825.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984.33 : 2,739.54 = 1,322.11 : x
  2. Step 2: Convert to fraction form
    1,984.33/2,739.54 = 1,322.11/x
  3. Step 3: Cross multiply
    1,984.33x = 2,739.54 × 1,322.11
  4. Step 4: Simplify right side
    1,984.33x = 3,621,973.23
  5. Step 5: Solve for x
    x = 3,621,973.23/1,984.33
  6. Step 6: Final answer
    x = 1,825.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.