Home / 2,075.35-3,104.02-1,857.55

Finding the Fourth Proportional to 2,075.35, 3,104.02 and 1,857.55

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Solution

The fourth proportional to 2,075.35, 3,104.02 and 1,857.55 is: 2,778.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.35 : 3,104.02 = 1,857.55 : x
  2. Step 2: Convert to fraction form
    2,075.35/3,104.02 = 1,857.55/x
  3. Step 3: Cross multiply
    2,075.35x = 3,104.02 × 1,857.55
  4. Step 4: Simplify right side
    2,075.35x = 5,765,872.35
  5. Step 5: Solve for x
    x = 5,765,872.35/2,075.35
  6. Step 6: Final answer
    x = 2,778.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.