Home / 3,015.90-4,522.36-1,260.37

Finding the Fourth Proportional to 3,015.90, 4,522.36 and 1,260.37

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Solution

The fourth proportional to 3,015.90, 4,522.36 and 1,260.37 is: 1,889.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.90 : 4,522.36 = 1,260.37 : x
  2. Step 2: Convert to fraction form
    3,015.90/4,522.36 = 1,260.37/x
  3. Step 3: Cross multiply
    3,015.90x = 4,522.36 × 1,260.37
  4. Step 4: Simplify right side
    3,015.90x = 5,699,846.87
  5. Step 5: Solve for x
    x = 5,699,846.87/3,015.90
  6. Step 6: Final answer
    x = 1,889.93

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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.