Home / 3,361.02-4,636.62-2,181.66

Finding the Fourth Proportional to 3,361.02, 4,636.62 and 2,181.66

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Solution

The fourth proportional to 3,361.02, 4,636.62 and 2,181.66 is: 3,009.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.02 : 4,636.62 = 2,181.66 : x
  2. Step 2: Convert to fraction form
    3,361.02/4,636.62 = 2,181.66/x
  3. Step 3: Cross multiply
    3,361.02x = 4,636.62 × 2,181.66
  4. Step 4: Simplify right side
    3,361.02x = 10,115,528.39
  5. Step 5: Solve for x
    x = 10,115,528.39/3,361.02
  6. Step 6: Final answer
    x = 3,009.66

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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.