Home / 2,021.58-3,034-1,047.96

Finding the Fourth Proportional to 2,021.58, 3,034 and 1,047.96

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Solution

The fourth proportional to 2,021.58, 3,034 and 1,047.96 is: 1,572.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.58 : 3,034 = 1,047.96 : x
  2. Step 2: Convert to fraction form
    2,021.58/3,034 = 1,047.96/x
  3. Step 3: Cross multiply
    2,021.58x = 3,034 × 1,047.96
  4. Step 4: Simplify right side
    2,021.58x = 3,179,510.64
  5. Step 5: Solve for x
    x = 3,179,510.64/2,021.58
  6. Step 6: Final answer
    x = 1,572.78

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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.