Home / 3,084.23-4,255.56-1,889.47

Finding the Fourth Proportional to 3,084.23, 4,255.56 and 1,889.47

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Solution

The fourth proportional to 3,084.23, 4,255.56 and 1,889.47 is: 2,607.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.23 : 4,255.56 = 1,889.47 : x
  2. Step 2: Convert to fraction form
    3,084.23/4,255.56 = 1,889.47/x
  3. Step 3: Cross multiply
    3,084.23x = 4,255.56 × 1,889.47
  4. Step 4: Simplify right side
    3,084.23x = 8,040,758.27
  5. Step 5: Solve for x
    x = 8,040,758.27/3,084.23
  6. Step 6: Final answer
    x = 2,607.05

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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.