Home / 3,445.88-5,168.81-1,137.38

Finding the Fourth Proportional to 3,445.88, 5,168.81 and 1,137.38

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Solution

The fourth proportional to 3,445.88, 5,168.81 and 1,137.38 is: 1,706.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.88 : 5,168.81 = 1,137.38 : x
  2. Step 2: Convert to fraction form
    3,445.88/5,168.81 = 1,137.38/x
  3. Step 3: Cross multiply
    3,445.88x = 5,168.81 × 1,137.38
  4. Step 4: Simplify right side
    3,445.88x = 5,878,878.12
  5. Step 5: Solve for x
    x = 5,878,878.12/3,445.88
  6. Step 6: Final answer
    x = 1,706.06

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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.