Home / 3,053.13-4,211.43-2,255.64

Finding the Fourth Proportional to 3,053.13, 4,211.43 and 2,255.64

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Solution

The fourth proportional to 3,053.13, 4,211.43 and 2,255.64 is: 3,111.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,053.13 : 4,211.43 = 2,255.64 : x
  2. Step 2: Convert to fraction form
    3,053.13/4,211.43 = 2,255.64/x
  3. Step 3: Cross multiply
    3,053.13x = 4,211.43 × 2,255.64
  4. Step 4: Simplify right side
    3,053.13x = 9,499,469.97
  5. Step 5: Solve for x
    x = 9,499,469.97/3,053.13
  6. Step 6: Final answer
    x = 3,111.39

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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.