Home / 3,075.24-4,245.36-1,896.96

Finding the Fourth Proportional to 3,075.24, 4,245.36 and 1,896.96

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Solution

The fourth proportional to 3,075.24, 4,245.36 and 1,896.96 is: 2,618.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.24 : 4,245.36 = 1,896.96 : x
  2. Step 2: Convert to fraction form
    3,075.24/4,245.36 = 1,896.96/x
  3. Step 3: Cross multiply
    3,075.24x = 4,245.36 × 1,896.96
  4. Step 4: Simplify right side
    3,075.24x = 8,053,278.11
  5. Step 5: Solve for x
    x = 8,053,278.11/3,075.24
  6. Step 6: Final answer
    x = 2,618.75

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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.