Home / 3,072.19-4,239.61-1,674.94

Finding the Fourth Proportional to 3,072.19, 4,239.61 and 1,674.94

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Solution

The fourth proportional to 3,072.19, 4,239.61 and 1,674.94 is: 2,311.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.19 : 4,239.61 = 1,674.94 : x
  2. Step 2: Convert to fraction form
    3,072.19/4,239.61 = 1,674.94/x
  3. Step 3: Cross multiply
    3,072.19x = 4,239.61 × 1,674.94
  4. Step 4: Simplify right side
    3,072.19x = 7,101,092.37
  5. Step 5: Solve for x
    x = 7,101,092.37/3,072.19
  6. Step 6: Final answer
    x = 2,311.41

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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.