Home / 3,020.07-4,161.96-2,823.15

Finding the Fourth Proportional to 3,020.07, 4,161.96 and 2,823.15

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Solution

The fourth proportional to 3,020.07, 4,161.96 and 2,823.15 is: 3,890.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.07 : 4,161.96 = 2,823.15 : x
  2. Step 2: Convert to fraction form
    3,020.07/4,161.96 = 2,823.15/x
  3. Step 3: Cross multiply
    3,020.07x = 4,161.96 × 2,823.15
  4. Step 4: Simplify right side
    3,020.07x = 11,749,837.37
  5. Step 5: Solve for x
    x = 11,749,837.37/3,020.07
  6. Step 6: Final answer
    x = 3,890.58

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1.5x scale

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.