Home / 3,018.78-4,556.03-2,941.02

Finding the Fourth Proportional to 3,018.78, 4,556.03 and 2,941.02

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Solution

The fourth proportional to 3,018.78, 4,556.03 and 2,941.02 is: 4,438.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.78 : 4,556.03 = 2,941.02 : x
  2. Step 2: Convert to fraction form
    3,018.78/4,556.03 = 2,941.02/x
  3. Step 3: Cross multiply
    3,018.78x = 4,556.03 × 2,941.02
  4. Step 4: Simplify right side
    3,018.78x = 13,399,360.65
  5. Step 5: Solve for x
    x = 13,399,360.65/3,018.78
  6. Step 6: Final answer
    x = 4,438.67

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.