Home / 3,738.52-5,598.55-2,786.40

Finding the Fourth Proportional to 3,738.52, 5,598.55 and 2,786.40

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Solution

The fourth proportional to 3,738.52, 5,598.55 and 2,786.40 is: 4,172.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.52 : 5,598.55 = 2,786.40 : x
  2. Step 2: Convert to fraction form
    3,738.52/5,598.55 = 2,786.40/x
  3. Step 3: Cross multiply
    3,738.52x = 5,598.55 × 2,786.40
  4. Step 4: Simplify right side
    3,738.52x = 15,599,797.98
  5. Step 5: Solve for x
    x = 15,599,797.98/3,738.52
  6. Step 6: Final answer
    x = 4,172.72

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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.