Home / 1,926.41-2,661.36-1,264.82

Finding the Fourth Proportional to 1,926.41, 2,661.36 and 1,264.82

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Solution

The fourth proportional to 1,926.41, 2,661.36 and 1,264.82 is: 1,747.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.41 : 2,661.36 = 1,264.82 : x
  2. Step 2: Convert to fraction form
    1,926.41/2,661.36 = 1,264.82/x
  3. Step 3: Cross multiply
    1,926.41x = 2,661.36 × 1,264.82
  4. Step 4: Simplify right side
    1,926.41x = 3,366,141.36
  5. Step 5: Solve for x
    x = 3,366,141.36/1,926.41
  6. Step 6: Final answer
    x = 1,747.36

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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.