Home / 3,681.03-5,511.18-2,760.87

Finding the Fourth Proportional to 3,681.03, 5,511.18 and 2,760.87

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Solution

The fourth proportional to 3,681.03, 5,511.18 and 2,760.87 is: 4,133.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.03 : 5,511.18 = 2,760.87 : x
  2. Step 2: Convert to fraction form
    3,681.03/5,511.18 = 2,760.87/x
  3. Step 3: Cross multiply
    3,681.03x = 5,511.18 × 2,760.87
  4. Step 4: Simplify right side
    3,681.03x = 15,215,651.53
  5. Step 5: Solve for x
    x = 15,215,651.53/3,681.03
  6. Step 6: Final answer
    x = 4,133.53

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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.