Home / 3,087.24-4,627.62-1,138.20

Finding the Fourth Proportional to 3,087.24, 4,627.62 and 1,138.20

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Solution

The fourth proportional to 3,087.24, 4,627.62 and 1,138.20 is: 1,706.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.24 : 4,627.62 = 1,138.20 : x
  2. Step 2: Convert to fraction form
    3,087.24/4,627.62 = 1,138.20/x
  3. Step 3: Cross multiply
    3,087.24x = 4,627.62 × 1,138.20
  4. Step 4: Simplify right side
    3,087.24x = 5,267,157.08
  5. Step 5: Solve for x
    x = 5,267,157.08/3,087.24
  6. Step 6: Final answer
    x = 1,706.11

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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.