Home / 2,028.16-2,795.84-1,795.20

Finding the Fourth Proportional to 2,028.16, 2,795.84 and 1,795.20

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Solution

The fourth proportional to 2,028.16, 2,795.84 and 1,795.20 is: 2,474.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.16 : 2,795.84 = 1,795.20 : x
  2. Step 2: Convert to fraction form
    2,028.16/2,795.84 = 1,795.20/x
  3. Step 3: Cross multiply
    2,028.16x = 2,795.84 × 1,795.20
  4. Step 4: Simplify right side
    2,028.16x = 5,019,091.97
  5. Step 5: Solve for x
    x = 5,019,091.97/2,028.16
  6. Step 6: Final answer
    x = 2,474.70

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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.