Home / 2,069.26-2,855.74-1,185.35

Finding the Fourth Proportional to 2,069.26, 2,855.74 and 1,185.35

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Solution

The fourth proportional to 2,069.26, 2,855.74 and 1,185.35 is: 1,635.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069.26 : 2,855.74 = 1,185.35 : x
  2. Step 2: Convert to fraction form
    2,069.26/2,855.74 = 1,185.35/x
  3. Step 3: Cross multiply
    2,069.26x = 2,855.74 × 1,185.35
  4. Step 4: Simplify right side
    2,069.26x = 3,385,034.17
  5. Step 5: Solve for x
    x = 3,385,034.17/2,069.26
  6. Step 6: Final answer
    x = 1,635.87

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1.5x scale

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.