Home / 3,364.18-4,639.62-2,185.64

Finding the Fourth Proportional to 3,364.18, 4,639.62 and 2,185.64

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Solution

The fourth proportional to 3,364.18, 4,639.62 and 2,185.64 is: 3,014.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.18 : 4,639.62 = 2,185.64 : x
  2. Step 2: Convert to fraction form
    3,364.18/4,639.62 = 2,185.64/x
  3. Step 3: Cross multiply
    3,364.18x = 4,639.62 × 2,185.64
  4. Step 4: Simplify right side
    3,364.18x = 10,140,539.06
  5. Step 5: Solve for x
    x = 10,140,539.06/3,364.18
  6. Step 6: Final answer
    x = 3,014.27

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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.