Home / 1,366.88-2,040.20-1,270.56

Finding the Fourth Proportional to 1,366.88, 2,040.20 and 1,270.56

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Solution

The fourth proportional to 1,366.88, 2,040.20 and 1,270.56 is: 1,896.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366.88 : 2,040.20 = 1,270.56 : x
  2. Step 2: Convert to fraction form
    1,366.88/2,040.20 = 1,270.56/x
  3. Step 3: Cross multiply
    1,366.88x = 2,040.20 × 1,270.56
  4. Step 4: Simplify right side
    1,366.88x = 2,592,196.51
  5. Step 5: Solve for x
    x = 2,592,196.51/1,366.88
  6. Step 6: Final answer
    x = 1,896.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.