Home / 3,754.37-5,181.40-2,075.90

Finding the Fourth Proportional to 3,754.37, 5,181.40 and 2,075.90

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Solution

The fourth proportional to 3,754.37, 5,181.40 and 2,075.90 is: 2,864.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.37 : 5,181.40 = 2,075.90 : x
  2. Step 2: Convert to fraction form
    3,754.37/5,181.40 = 2,075.90/x
  3. Step 3: Cross multiply
    3,754.37x = 5,181.40 × 2,075.90
  4. Step 4: Simplify right side
    3,754.37x = 10,756,064.38
  5. Step 5: Solve for x
    x = 10,756,064.38/3,754.37
  6. Step 6: Final answer
    x = 2,864.95

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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.