Home / 3,083.35-4,255.28-1,888.33

Finding the Fourth Proportional to 3,083.35, 4,255.28 and 1,888.33

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Solution

The fourth proportional to 3,083.35, 4,255.28 and 1,888.33 is: 2,606.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.35 : 4,255.28 = 1,888.33 : x
  2. Step 2: Convert to fraction form
    3,083.35/4,255.28 = 1,888.33/x
  3. Step 3: Cross multiply
    3,083.35x = 4,255.28 × 1,888.33
  4. Step 4: Simplify right side
    3,083.35x = 8,035,366.97
  5. Step 5: Solve for x
    x = 8,035,366.97/3,083.35
  6. Step 6: Final answer
    x = 2,606.05

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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.