Home / 2,069.04-2,855.28-1,185

Finding the Fourth Proportional to 2,069.04, 2,855.28 and 1,185

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Solution

The fourth proportional to 2,069.04, 2,855.28 and 1,185 is: 1,635.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069.04 : 2,855.28 = 1,185 : x
  2. Step 2: Convert to fraction form
    2,069.04/2,855.28 = 1,185/x
  3. Step 3: Cross multiply
    2,069.04x = 2,855.28 × 1,185
  4. Step 4: Simplify right side
    2,069.04x = 3,383,506.80
  5. Step 5: Solve for x
    x = 3,383,506.80/2,069.04
  6. Step 6: Final answer
    x = 1,635.30

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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.