Home / 1,896.08-2,615.64-1,274

Finding the Fourth Proportional to 1,896.08, 2,615.64 and 1,274

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Solution

The fourth proportional to 1,896.08, 2,615.64 and 1,274 is: 1,757.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.08 : 2,615.64 = 1,274 : x
  2. Step 2: Convert to fraction form
    1,896.08/2,615.64 = 1,274/x
  3. Step 3: Cross multiply
    1,896.08x = 2,615.64 × 1,274
  4. Step 4: Simplify right side
    1,896.08x = 3,332,325.36
  5. Step 5: Solve for x
    x = 3,332,325.36/1,896.08
  6. Step 6: Final answer
    x = 1,757.48

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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.