Home / 1,889.44-2,609.76-1,364.64

Finding the Fourth Proportional to 1,889.44, 2,609.76 and 1,364.64

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Solution

The fourth proportional to 1,889.44, 2,609.76 and 1,364.64 is: 1,884.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889.44 : 2,609.76 = 1,364.64 : x
  2. Step 2: Convert to fraction form
    1,889.44/2,609.76 = 1,364.64/x
  3. Step 3: Cross multiply
    1,889.44x = 2,609.76 × 1,364.64
  4. Step 4: Simplify right side
    1,889.44x = 3,561,382.89
  5. Step 5: Solve for x
    x = 3,561,382.89/1,889.44
  6. Step 6: Final answer
    x = 1,884.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.