Home / 2,059.56-3,089.34-1,379.88

Finding the Fourth Proportional to 2,059.56, 3,089.34 and 1,379.88

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Solution

The fourth proportional to 2,059.56, 3,089.34 and 1,379.88 is: 2,069.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059.56 : 3,089.34 = 1,379.88 : x
  2. Step 2: Convert to fraction form
    2,059.56/3,089.34 = 1,379.88/x
  3. Step 3: Cross multiply
    2,059.56x = 3,089.34 × 1,379.88
  4. Step 4: Simplify right side
    2,059.56x = 4,262,918.48
  5. Step 5: Solve for x
    x = 4,262,918.48/2,059.56
  6. Step 6: Final answer
    x = 2,069.82

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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.