Home / 3,754.35-5,181.15-2,075.70

Finding the Fourth Proportional to 3,754.35, 5,181.15 and 2,075.70

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Solution

The fourth proportional to 3,754.35, 5,181.15 and 2,075.70 is: 2,864.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.35 : 5,181.15 = 2,075.70 : x
  2. Step 2: Convert to fraction form
    3,754.35/5,181.15 = 2,075.70/x
  3. Step 3: Cross multiply
    3,754.35x = 5,181.15 × 2,075.70
  4. Step 4: Simplify right side
    3,754.35x = 10,754,513.06
  5. Step 5: Solve for x
    x = 10,754,513.06/3,754.35
  6. Step 6: Final answer
    x = 2,864.55

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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.