Home / 1,822.70-2,735.37-1,236.31

Finding the Fourth Proportional to 1,822.70, 2,735.37 and 1,236.31

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Solution

The fourth proportional to 1,822.70, 2,735.37 and 1,236.31 is: 1,855.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.70 : 2,735.37 = 1,236.31 : x
  2. Step 2: Convert to fraction form
    1,822.70/2,735.37 = 1,236.31/x
  3. Step 3: Cross multiply
    1,822.70x = 2,735.37 × 1,236.31
  4. Step 4: Simplify right side
    1,822.70x = 3,381,758.45
  5. Step 5: Solve for x
    x = 3,381,758.45/1,822.70
  6. Step 6: Final answer
    x = 1,855.35

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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.