Home / 2,243.79-3,093.93-1,928.70

Finding the Fourth Proportional to 2,243.79, 3,093.93 and 1,928.70

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Solution

The fourth proportional to 2,243.79, 3,093.93 and 1,928.70 is: 2,659.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,243.79 : 3,093.93 = 1,928.70 : x
  2. Step 2: Convert to fraction form
    2,243.79/3,093.93 = 1,928.70/x
  3. Step 3: Cross multiply
    2,243.79x = 3,093.93 × 1,928.70
  4. Step 4: Simplify right side
    2,243.79x = 5,967,262.79
  5. Step 5: Solve for x
    x = 5,967,262.79/2,243.79
  6. Step 6: Final answer
    x = 2,659.46

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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.