Home / 1,891.14-2,817.98-1,807.44

Finding the Fourth Proportional to 1,891.14, 2,817.98 and 1,807.44

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Solution

The fourth proportional to 1,891.14, 2,817.98 and 1,807.44 is: 2,693.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891.14 : 2,817.98 = 1,807.44 : x
  2. Step 2: Convert to fraction form
    1,891.14/2,817.98 = 1,807.44/x
  3. Step 3: Cross multiply
    1,891.14x = 2,817.98 × 1,807.44
  4. Step 4: Simplify right side
    1,891.14x = 5,093,320.73
  5. Step 5: Solve for x
    x = 5,093,320.73/1,891.14
  6. Step 6: Final answer
    x = 2,693.25

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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.