Home / 2,273.16-3,409.74-1,245

Finding the Fourth Proportional to 2,273.16, 3,409.74 and 1,245

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Solution

The fourth proportional to 2,273.16, 3,409.74 and 1,245 is: 1,867.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,273.16 : 3,409.74 = 1,245 : x
  2. Step 2: Convert to fraction form
    2,273.16/3,409.74 = 1,245/x
  3. Step 3: Cross multiply
    2,273.16x = 3,409.74 × 1,245
  4. Step 4: Simplify right side
    2,273.16x = 4,245,126.30
  5. Step 5: Solve for x
    x = 4,245,126.30/2,273.16
  6. Step 6: Final answer
    x = 1,867.50

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1.5x scale

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.