Home / 3,820.70-5,271.41-2,474.18

Finding the Fourth Proportional to 3,820.70, 5,271.41 and 2,474.18

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Solution

The fourth proportional to 3,820.70, 5,271.41 and 2,474.18 is: 3,413.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.70 : 5,271.41 = 2,474.18 : x
  2. Step 2: Convert to fraction form
    3,820.70/5,271.41 = 2,474.18/x
  3. Step 3: Cross multiply
    3,820.70x = 5,271.41 × 2,474.18
  4. Step 4: Simplify right side
    3,820.70x = 13,042,417.19
  5. Step 5: Solve for x
    x = 13,042,417.19/3,820.70
  6. Step 6: Final answer
    x = 3,413.62

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1.5x scale

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.