Home / 2,069.19-2,855.39-1,230.44

Finding the Fourth Proportional to 2,069.19, 2,855.39 and 1,230.44

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Solution

The fourth proportional to 2,069.19, 2,855.39 and 1,230.44 is: 1,697.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069.19 : 2,855.39 = 1,230.44 : x
  2. Step 2: Convert to fraction form
    2,069.19/2,855.39 = 1,230.44/x
  3. Step 3: Cross multiply
    2,069.19x = 2,855.39 × 1,230.44
  4. Step 4: Simplify right side
    2,069.19x = 3,513,365.64
  5. Step 5: Solve for x
    x = 3,513,365.64/2,069.19
  6. Step 6: Final answer
    x = 1,697.94

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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.