Home / 2,028.54-3,039.48-1,720.20

Finding the Fourth Proportional to 2,028.54, 3,039.48 and 1,720.20

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Solution

The fourth proportional to 2,028.54, 3,039.48 and 1,720.20 is: 2,577.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.54 : 3,039.48 = 1,720.20 : x
  2. Step 2: Convert to fraction form
    2,028.54/3,039.48 = 1,720.20/x
  3. Step 3: Cross multiply
    2,028.54x = 3,039.48 × 1,720.20
  4. Step 4: Simplify right side
    2,028.54x = 5,228,513.50
  5. Step 5: Solve for x
    x = 5,228,513.50/2,028.54
  6. Step 6: Final answer
    x = 2,577.48

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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.