Home / 3,020.21-4,167.99-1,762.07

Finding the Fourth Proportional to 3,020.21, 4,167.99 and 1,762.07

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Solution

The fourth proportional to 3,020.21, 4,167.99 and 1,762.07 is: 2,431.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.21 : 4,167.99 = 1,762.07 : x
  2. Step 2: Convert to fraction form
    3,020.21/4,167.99 = 1,762.07/x
  3. Step 3: Cross multiply
    3,020.21x = 4,167.99 × 1,762.07
  4. Step 4: Simplify right side
    3,020.21x = 7,344,269.30
  5. Step 5: Solve for x
    x = 7,344,269.30/3,020.21
  6. Step 6: Final answer
    x = 2,431.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.