Home / 2,228.63-3,340.73-1,056.56

Finding the Fourth Proportional to 2,228.63, 3,340.73 and 1,056.56

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Solution

The fourth proportional to 2,228.63, 3,340.73 and 1,056.56 is: 1,583.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.63 : 3,340.73 = 1,056.56 : x
  2. Step 2: Convert to fraction form
    2,228.63/3,340.73 = 1,056.56/x
  3. Step 3: Cross multiply
    2,228.63x = 3,340.73 × 1,056.56
  4. Step 4: Simplify right side
    2,228.63x = 3,529,659.70
  5. Step 5: Solve for x
    x = 3,529,659.70/2,228.63
  6. Step 6: Final answer
    x = 1,583.78

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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.