Home / 3,081.06-4,251.94-1,886.24

Finding the Fourth Proportional to 3,081.06, 4,251.94 and 1,886.24

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Solution

The fourth proportional to 3,081.06, 4,251.94 and 1,886.24 is: 2,603.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.06 : 4,251.94 = 1,886.24 : x
  2. Step 2: Convert to fraction form
    3,081.06/4,251.94 = 1,886.24/x
  3. Step 3: Cross multiply
    3,081.06x = 4,251.94 × 1,886.24
  4. Step 4: Simplify right side
    3,081.06x = 8,020,179.31
  5. Step 5: Solve for x
    x = 8,020,179.31/3,081.06
  6. Step 6: Final answer
    x = 2,603.06

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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.