Home / 3,103.05-4,283.34-2,055.45

Finding the Fourth Proportional to 3,103.05, 4,283.34 and 2,055.45

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Solution

The fourth proportional to 3,103.05, 4,283.34 and 2,055.45 is: 2,837.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.05 : 4,283.34 = 2,055.45 : x
  2. Step 2: Convert to fraction form
    3,103.05/4,283.34 = 2,055.45/x
  3. Step 3: Cross multiply
    3,103.05x = 4,283.34 × 2,055.45
  4. Step 4: Simplify right side
    3,103.05x = 8,804,180.93
  5. Step 5: Solve for x
    x = 8,804,180.93/3,103.05
  6. Step 6: Final answer
    x = 2,837.27

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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.