Home / 3,075.75-4,245.57-2,000.47

Finding the Fourth Proportional to 3,075.75, 4,245.57 and 2,000.47

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Solution

The fourth proportional to 3,075.75, 4,245.57 and 2,000.47 is: 2,761.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.75 : 4,245.57 = 2,000.47 : x
  2. Step 2: Convert to fraction form
    3,075.75/4,245.57 = 2,000.47/x
  3. Step 3: Cross multiply
    3,075.75x = 4,245.57 × 2,000.47
  4. Step 4: Simplify right side
    3,075.75x = 8,493,135.42
  5. Step 5: Solve for x
    x = 8,493,135.42/3,075.75
  6. Step 6: Final answer
    x = 2,761.32

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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.