Home / 2,021.61-3,028.48-1,141.45

Finding the Fourth Proportional to 2,021.61, 3,028.48 and 1,141.45

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Solution

The fourth proportional to 2,021.61, 3,028.48 and 1,141.45 is: 1,709.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.61 : 3,028.48 = 1,141.45 : x
  2. Step 2: Convert to fraction form
    2,021.61/3,028.48 = 1,141.45/x
  3. Step 3: Cross multiply
    2,021.61x = 3,028.48 × 1,141.45
  4. Step 4: Simplify right side
    2,021.61x = 3,456,865.11
  5. Step 5: Solve for x
    x = 3,456,865.11/2,021.61
  6. Step 6: Final answer
    x = 1,709.95

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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.