Home / 2,069.25-2,855.57-1,137.75

Finding the Fourth Proportional to 2,069.25, 2,855.57 and 1,137.75

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Solution

The fourth proportional to 2,069.25, 2,855.57 and 1,137.75 is: 1,570.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069.25 : 2,855.57 = 1,137.75 : x
  2. Step 2: Convert to fraction form
    2,069.25/2,855.57 = 1,137.75/x
  3. Step 3: Cross multiply
    2,069.25x = 2,855.57 × 1,137.75
  4. Step 4: Simplify right side
    2,069.25x = 3,248,919.08
  5. Step 5: Solve for x
    x = 3,248,919.08/2,069.25
  6. Step 6: Final answer
    x = 1,570.10

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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.