Home / 2,055.06-3,083.28-1,129.44

Finding the Fourth Proportional to 2,055.06, 3,083.28 and 1,129.44

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Solution

The fourth proportional to 2,055.06, 3,083.28 and 1,129.44 is: 1,694.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055.06 : 3,083.28 = 1,129.44 : x
  2. Step 2: Convert to fraction form
    2,055.06/3,083.28 = 1,129.44/x
  3. Step 3: Cross multiply
    2,055.06x = 3,083.28 × 1,129.44
  4. Step 4: Simplify right side
    2,055.06x = 3,482,379.76
  5. Step 5: Solve for x
    x = 3,482,379.76/2,055.06
  6. Step 6: Final answer
    x = 1,694.54

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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.