Home / 2,068.20-2,852.85-1,228.33

Finding the Fourth Proportional to 2,068.20, 2,852.85 and 1,228.33

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Solution

The fourth proportional to 2,068.20, 2,852.85 and 1,228.33 is: 1,694.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.20 : 2,852.85 = 1,228.33 : x
  2. Step 2: Convert to fraction form
    2,068.20/2,852.85 = 1,228.33/x
  3. Step 3: Cross multiply
    2,068.20x = 2,852.85 × 1,228.33
  4. Step 4: Simplify right side
    2,068.20x = 3,504,241.24
  5. Step 5: Solve for x
    x = 3,504,241.24/2,068.20
  6. Step 6: Final answer
    x = 1,694.35

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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.