Home / 2,228.54-3,076.05-1,442.64

Finding the Fourth Proportional to 2,228.54, 3,076.05 and 1,442.64

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Solution

The fourth proportional to 2,228.54, 3,076.05 and 1,442.64 is: 1,991.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.54 : 3,076.05 = 1,442.64 : x
  2. Step 2: Convert to fraction form
    2,228.54/3,076.05 = 1,442.64/x
  3. Step 3: Cross multiply
    2,228.54x = 3,076.05 × 1,442.64
  4. Step 4: Simplify right side
    2,228.54x = 4,437,632.77
  5. Step 5: Solve for x
    x = 4,437,632.77/2,228.54
  6. Step 6: Final answer
    x = 1,991.27

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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.