Home / 3,271.53-4,515.68-1,995.87

Finding the Fourth Proportional to 3,271.53, 4,515.68 and 1,995.87

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Solution

The fourth proportional to 3,271.53, 4,515.68 and 1,995.87 is: 2,754.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.53 : 4,515.68 = 1,995.87 : x
  2. Step 2: Convert to fraction form
    3,271.53/4,515.68 = 1,995.87/x
  3. Step 3: Cross multiply
    3,271.53x = 4,515.68 × 1,995.87
  4. Step 4: Simplify right side
    3,271.53x = 9,012,700.26
  5. Step 5: Solve for x
    x = 9,012,700.26/3,271.53
  6. Step 6: Final answer
    x = 2,754.89

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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.