Home / 3,076.07-4,245.03-1,678.82

Finding the Fourth Proportional to 3,076.07, 4,245.03 and 1,678.82

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Solution

The fourth proportional to 3,076.07, 4,245.03 and 1,678.82 is: 2,316.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.07 : 4,245.03 = 1,678.82 : x
  2. Step 2: Convert to fraction form
    3,076.07/4,245.03 = 1,678.82/x
  3. Step 3: Cross multiply
    3,076.07x = 4,245.03 × 1,678.82
  4. Step 4: Simplify right side
    3,076.07x = 7,126,620.04
  5. Step 5: Solve for x
    x = 7,126,620.04/3,076.07
  6. Step 6: Final answer
    x = 2,316.80

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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.