Home / 2,270.54-3,382.98-2,121.50

Finding the Fourth Proportional to 2,270.54, 3,382.98 and 2,121.50

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Solution

The fourth proportional to 2,270.54, 3,382.98 and 2,121.50 is: 3,160.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.54 : 3,382.98 = 2,121.50 : x
  2. Step 2: Convert to fraction form
    2,270.54/3,382.98 = 2,121.50/x
  3. Step 3: Cross multiply
    2,270.54x = 3,382.98 × 2,121.50
  4. Step 4: Simplify right side
    2,270.54x = 7,176,992.07
  5. Step 5: Solve for x
    x = 7,176,992.07/2,270.54
  6. Step 6: Final answer
    x = 3,160.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.