Home / 2,020.19-3,028.75-1,045.67

Finding the Fourth Proportional to 2,020.19, 3,028.75 and 1,045.67

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Solution

The fourth proportional to 2,020.19, 3,028.75 and 1,045.67 is: 1,567.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.19 : 3,028.75 = 1,045.67 : x
  2. Step 2: Convert to fraction form
    2,020.19/3,028.75 = 1,045.67/x
  3. Step 3: Cross multiply
    2,020.19x = 3,028.75 × 1,045.67
  4. Step 4: Simplify right side
    2,020.19x = 3,167,073.01
  5. Step 5: Solve for x
    x = 3,167,073.01/2,020.19
  6. Step 6: Final answer
    x = 1,567.71

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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.