Home / 2,270.67-3,405.79-1,175.95

Finding the Fourth Proportional to 2,270.67, 3,405.79 and 1,175.95

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Solution

The fourth proportional to 2,270.67, 3,405.79 and 1,175.95 is: 1,763.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.67 : 3,405.79 = 1,175.95 : x
  2. Step 2: Convert to fraction form
    2,270.67/3,405.79 = 1,175.95/x
  3. Step 3: Cross multiply
    2,270.67x = 3,405.79 × 1,175.95
  4. Step 4: Simplify right side
    2,270.67x = 4,005,038.75
  5. Step 5: Solve for x
    x = 4,005,038.75/2,270.67
  6. Step 6: Final answer
    x = 1,763.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.