Home / 1,822.96-2,738.09-1,779.22

Finding the Fourth Proportional to 1,822.96, 2,738.09 and 1,779.22

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Solution

The fourth proportional to 1,822.96, 2,738.09 and 1,779.22 is: 2,672.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.96 : 2,738.09 = 1,779.22 : x
  2. Step 2: Convert to fraction form
    1,822.96/2,738.09 = 1,779.22/x
  3. Step 3: Cross multiply
    1,822.96x = 2,738.09 × 1,779.22
  4. Step 4: Simplify right side
    1,822.96x = 4,871,664.49
  5. Step 5: Solve for x
    x = 4,871,664.49/1,822.96
  6. Step 6: Final answer
    x = 2,672.39

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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.