Home / 3,445.75-5,168.63-1,137.43

Finding the Fourth Proportional to 3,445.75, 5,168.63 and 1,137.43

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Solution

The fourth proportional to 3,445.75, 5,168.63 and 1,137.43 is: 1,706.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.75 : 5,168.63 = 1,137.43 : x
  2. Step 2: Convert to fraction form
    3,445.75/5,168.63 = 1,137.43/x
  3. Step 3: Cross multiply
    3,445.75x = 5,168.63 × 1,137.43
  4. Step 4: Simplify right side
    3,445.75x = 5,878,954.82
  5. Step 5: Solve for x
    x = 5,878,954.82/3,445.75
  6. Step 6: Final answer
    x = 1,706.15

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1.5x scale

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.