Home / 3,510.67-5,261.41-3,138.27

Finding the Fourth Proportional to 3,510.67, 5,261.41 and 3,138.27

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Solution

The fourth proportional to 3,510.67, 5,261.41 and 3,138.27 is: 4,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510.67 : 5,261.41 = 3,138.27 : x
  2. Step 2: Convert to fraction form
    3,510.67/5,261.41 = 3,138.27/x
  3. Step 3: Cross multiply
    3,510.67x = 5,261.41 × 3,138.27
  4. Step 4: Simplify right side
    3,510.67x = 16,511,706.50
  5. Step 5: Solve for x
    x = 16,511,706.50/3,510.67
  6. Step 6: Final answer
    x = 4,703.30

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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.