Home / 2,133.22-3,188.57-1,853.38

Finding the Fourth Proportional to 2,133.22, 3,188.57 and 1,853.38

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Solution

The fourth proportional to 2,133.22, 3,188.57 and 1,853.38 is: 2,770.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.22 : 3,188.57 = 1,853.38 : x
  2. Step 2: Convert to fraction form
    2,133.22/3,188.57 = 1,853.38/x
  3. Step 3: Cross multiply
    2,133.22x = 3,188.57 × 1,853.38
  4. Step 4: Simplify right side
    2,133.22x = 5,909,631.87
  5. Step 5: Solve for x
    x = 5,909,631.87/2,133.22
  6. Step 6: Final answer
    x = 2,770.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.