Home / 3,020.81-4,532.38-2,441.21

Finding the Fourth Proportional to 3,020.81, 4,532.38 and 2,441.21

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Solution

The fourth proportional to 3,020.81, 4,532.38 and 2,441.21 is: 3,662.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.81 : 4,532.38 = 2,441.21 : x
  2. Step 2: Convert to fraction form
    3,020.81/4,532.38 = 2,441.21/x
  3. Step 3: Cross multiply
    3,020.81x = 4,532.38 × 2,441.21
  4. Step 4: Simplify right side
    3,020.81x = 11,064,462.61
  5. Step 5: Solve for x
    x = 11,064,462.61/3,020.81
  6. Step 6: Final answer
    x = 3,662.75

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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.