Home / 1,444.22-2,164.33-749.50

Finding the Fourth Proportional to 1,444.22, 2,164.33 and 749.50

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Solution

The fourth proportional to 1,444.22, 2,164.33 and 749.50 is: 1,123.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444.22 : 2,164.33 = 749.50 : x
  2. Step 2: Convert to fraction form
    1,444.22/2,164.33 = 749.50/x
  3. Step 3: Cross multiply
    1,444.22x = 2,164.33 × 749.50
  4. Step 4: Simplify right side
    1,444.22x = 1,622,174.09
  5. Step 5: Solve for x
    x = 1,622,174.09/1,444.22
  6. Step 6: Final answer
    x = 1,123.22

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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.