Home / 1,843.10-2,765.72-1,322.54

Finding the Fourth Proportional to 1,843.10, 2,765.72 and 1,322.54

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Solution

The fourth proportional to 1,843.10, 2,765.72 and 1,322.54 is: 1,984.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843.10 : 2,765.72 = 1,322.54 : x
  2. Step 2: Convert to fraction form
    1,843.10/2,765.72 = 1,322.54/x
  3. Step 3: Cross multiply
    1,843.10x = 2,765.72 × 1,322.54
  4. Step 4: Simplify right side
    1,843.10x = 3,657,764.81
  5. Step 5: Solve for x
    x = 3,657,764.81/1,843.10
  6. Step 6: Final answer
    x = 1,984.58

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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.