Home / 2,228.95-3,076.05-1,234.22

Finding the Fourth Proportional to 2,228.95, 3,076.05 and 1,234.22

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Solution

The fourth proportional to 2,228.95, 3,076.05 and 1,234.22 is: 1,703.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.95 : 3,076.05 = 1,234.22 : x
  2. Step 2: Convert to fraction form
    2,228.95/3,076.05 = 1,234.22/x
  3. Step 3: Cross multiply
    2,228.95x = 3,076.05 × 1,234.22
  4. Step 4: Simplify right side
    2,228.95x = 3,796,529.22
  5. Step 5: Solve for x
    x = 3,796,529.22/2,228.95
  6. Step 6: Final answer
    x = 1,703.28

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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.