Home / 2,135.42-3,201.51-1,743.38

Finding the Fourth Proportional to 2,135.42, 3,201.51 and 1,743.38

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Solution

The fourth proportional to 2,135.42, 3,201.51 and 1,743.38 is: 2,613.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.42 : 3,201.51 = 1,743.38 : x
  2. Step 2: Convert to fraction form
    2,135.42/3,201.51 = 1,743.38/x
  3. Step 3: Cross multiply
    2,135.42x = 3,201.51 × 1,743.38
  4. Step 4: Simplify right side
    2,135.42x = 5,581,448.50
  5. Step 5: Solve for x
    x = 5,581,448.50/2,135.42
  6. Step 6: Final answer
    x = 2,613.75

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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.