Home / 2,256.14-3,113.76-1,371.92

Finding the Fourth Proportional to 2,256.14, 3,113.76 and 1,371.92

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Solution

The fourth proportional to 2,256.14, 3,113.76 and 1,371.92 is: 1,893.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256.14 : 3,113.76 = 1,371.92 : x
  2. Step 2: Convert to fraction form
    2,256.14/3,113.76 = 1,371.92/x
  3. Step 3: Cross multiply
    2,256.14x = 3,113.76 × 1,371.92
  4. Step 4: Simplify right side
    2,256.14x = 4,271,814.05
  5. Step 5: Solve for x
    x = 4,271,814.05/2,256.14
  6. Step 6: Final answer
    x = 1,893.42

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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.