Home / 3,076.47-4,245.53-1,897.54

Finding the Fourth Proportional to 3,076.47, 4,245.53 and 1,897.54

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Solution

The fourth proportional to 3,076.47, 4,245.53 and 1,897.54 is: 2,618.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.47 : 4,245.53 = 1,897.54 : x
  2. Step 2: Convert to fraction form
    3,076.47/4,245.53 = 1,897.54/x
  3. Step 3: Cross multiply
    3,076.47x = 4,245.53 × 1,897.54
  4. Step 4: Simplify right side
    3,076.47x = 8,056,063.00
  5. Step 5: Solve for x
    x = 8,056,063.00/3,076.47
  6. Step 6: Final answer
    x = 2,618.61

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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.