Home / 3,260.34-4,890.49-1,069.05

Finding the Fourth Proportional to 3,260.34, 4,890.49 and 1,069.05

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Solution

The fourth proportional to 3,260.34, 4,890.49 and 1,069.05 is: 1,603.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.34 : 4,890.49 = 1,069.05 : x
  2. Step 2: Convert to fraction form
    3,260.34/4,890.49 = 1,069.05/x
  3. Step 3: Cross multiply
    3,260.34x = 4,890.49 × 1,069.05
  4. Step 4: Simplify right side
    3,260.34x = 5,228,190.56
  5. Step 5: Solve for x
    x = 5,228,190.56/3,260.34
  6. Step 6: Final answer
    x = 1,603.57

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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.