Home / 2,934-4,401.09-1,290.42

Finding the Fourth Proportional to 2,934, 4,401.09 and 1,290.42

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Solution

The fourth proportional to 2,934, 4,401.09 and 1,290.42 is: 1,935.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934 : 4,401.09 = 1,290.42 : x
  2. Step 2: Convert to fraction form
    2,934/4,401.09 = 1,290.42/x
  3. Step 3: Cross multiply
    2,934x = 4,401.09 × 1,290.42
  4. Step 4: Simplify right side
    2,934x = 5,679,254.56
  5. Step 5: Solve for x
    x = 5,679,254.56/2,934
  6. Step 6: Final answer
    x = 1,935.67

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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.