Home / 2,031.28-2,804.22-1,371.61

Finding the Fourth Proportional to 2,031.28, 2,804.22 and 1,371.61

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Solution

The fourth proportional to 2,031.28, 2,804.22 and 1,371.61 is: 1,893.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.28 : 2,804.22 = 1,371.61 : x
  2. Step 2: Convert to fraction form
    2,031.28/2,804.22 = 1,371.61/x
  3. Step 3: Cross multiply
    2,031.28x = 2,804.22 × 1,371.61
  4. Step 4: Simplify right side
    2,031.28x = 3,846,296.19
  5. Step 5: Solve for x
    x = 3,846,296.19/2,031.28
  6. Step 6: Final answer
    x = 1,893.53

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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.