Home / 3,072.26-4,236.38-2,075.81

Finding the Fourth Proportional to 3,072.26, 4,236.38 and 2,075.81

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Solution

The fourth proportional to 3,072.26, 4,236.38 and 2,075.81 is: 2,862.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.26 : 4,236.38 = 2,075.81 : x
  2. Step 2: Convert to fraction form
    3,072.26/4,236.38 = 2,075.81/x
  3. Step 3: Cross multiply
    3,072.26x = 4,236.38 × 2,075.81
  4. Step 4: Simplify right side
    3,072.26x = 8,793,920.18
  5. Step 5: Solve for x
    x = 8,793,920.18/3,072.26
  6. Step 6: Final answer
    x = 2,862.36

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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.