Home / 3,368.66-5,055.14-1,636.34

Finding the Fourth Proportional to 3,368.66, 5,055.14 and 1,636.34

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Solution

The fourth proportional to 3,368.66, 5,055.14 and 1,636.34 is: 2,455.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.66 : 5,055.14 = 1,636.34 : x
  2. Step 2: Convert to fraction form
    3,368.66/5,055.14 = 1,636.34/x
  3. Step 3: Cross multiply
    3,368.66x = 5,055.14 × 1,636.34
  4. Step 4: Simplify right side
    3,368.66x = 8,271,906.60
  5. Step 5: Solve for x
    x = 8,271,906.60/3,368.66
  6. Step 6: Final answer
    x = 2,455.55

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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.