Home / 2,021.09-3,030.68-1,143.59

Finding the Fourth Proportional to 2,021.09, 3,030.68 and 1,143.59

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Solution

The fourth proportional to 2,021.09, 3,030.68 and 1,143.59 is: 1,714.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.09 : 3,030.68 = 1,143.59 : x
  2. Step 2: Convert to fraction form
    2,021.09/3,030.68 = 1,143.59/x
  3. Step 3: Cross multiply
    2,021.09x = 3,030.68 × 1,143.59
  4. Step 4: Simplify right side
    2,021.09x = 3,465,843.05
  5. Step 5: Solve for x
    x = 3,465,843.05/2,021.09
  6. Step 6: Final answer
    x = 1,714.84

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1.5x scale

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.