Home / 2,020.29-3,029.36-923.69

Finding the Fourth Proportional to 2,020.29, 3,029.36 and 923.69

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Solution

The fourth proportional to 2,020.29, 3,029.36 and 923.69 is: 1,385.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.29 : 3,029.36 = 923.69 : x
  2. Step 2: Convert to fraction form
    2,020.29/3,029.36 = 923.69/x
  3. Step 3: Cross multiply
    2,020.29x = 3,029.36 × 923.69
  4. Step 4: Simplify right side
    2,020.29x = 2,798,169.77
  5. Step 5: Solve for x
    x = 2,798,169.77/2,020.29
  6. Step 6: Final answer
    x = 1,385.03

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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.