Home / 3,754.81-5,175.90-2,956.66

Finding the Fourth Proportional to 3,754.81, 5,175.90 and 2,956.66

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Solution

The fourth proportional to 3,754.81, 5,175.90 and 2,956.66 is: 4,075.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.81 : 5,175.90 = 2,956.66 : x
  2. Step 2: Convert to fraction form
    3,754.81/5,175.90 = 2,956.66/x
  3. Step 3: Cross multiply
    3,754.81x = 5,175.90 × 2,956.66
  4. Step 4: Simplify right side
    3,754.81x = 15,303,399.95
  5. Step 5: Solve for x
    x = 15,303,399.95/3,754.81
  6. Step 6: Final answer
    x = 4,075.68

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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.