Home / 1,817.82-2,726.70-1,271.07

Finding the Fourth Proportional to 1,817.82, 2,726.70 and 1,271.07

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Solution

The fourth proportional to 1,817.82, 2,726.70 and 1,271.07 is: 1,906.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.82 : 2,726.70 = 1,271.07 : x
  2. Step 2: Convert to fraction form
    1,817.82/2,726.70 = 1,271.07/x
  3. Step 3: Cross multiply
    1,817.82x = 2,726.70 × 1,271.07
  4. Step 4: Simplify right side
    1,817.82x = 3,465,826.57
  5. Step 5: Solve for x
    x = 3,465,826.57/1,817.82
  6. Step 6: Final answer
    x = 1,906.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.