Home / 2,021.40-3,050.01-1,992.60

Finding the Fourth Proportional to 2,021.40, 3,050.01 and 1,992.60

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Solution

The fourth proportional to 2,021.40, 3,050.01 and 1,992.60 is: 3,006.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.40 : 3,050.01 = 1,992.60 : x
  2. Step 2: Convert to fraction form
    2,021.40/3,050.01 = 1,992.60/x
  3. Step 3: Cross multiply
    2,021.40x = 3,050.01 × 1,992.60
  4. Step 4: Simplify right side
    2,021.40x = 6,077,449.93
  5. Step 5: Solve for x
    x = 6,077,449.93/2,021.40
  6. Step 6: Final answer
    x = 3,006.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.