Home / 3,083.06-4,253.62-1,886.80

Finding the Fourth Proportional to 3,083.06, 4,253.62 and 1,886.80

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Solution

The fourth proportional to 3,083.06, 4,253.62 and 1,886.80 is: 2,603.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.06 : 4,253.62 = 1,886.80 : x
  2. Step 2: Convert to fraction form
    3,083.06/4,253.62 = 1,886.80/x
  3. Step 3: Cross multiply
    3,083.06x = 4,253.62 × 1,886.80
  4. Step 4: Simplify right side
    3,083.06x = 8,025,723.29
  5. Step 5: Solve for x
    x = 8,025,723.29/3,083.06
  6. Step 6: Final answer
    x = 2,603.17

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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.