Home / 3,144.72-4,715.64-1,738.20

Finding the Fourth Proportional to 3,144.72, 4,715.64 and 1,738.20

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Solution

The fourth proportional to 3,144.72, 4,715.64 and 1,738.20 is: 2,606.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.72 : 4,715.64 = 1,738.20 : x
  2. Step 2: Convert to fraction form
    3,144.72/4,715.64 = 1,738.20/x
  3. Step 3: Cross multiply
    3,144.72x = 4,715.64 × 1,738.20
  4. Step 4: Simplify right side
    3,144.72x = 8,196,725.45
  5. Step 5: Solve for x
    x = 8,196,725.45/3,144.72
  6. Step 6: Final answer
    x = 2,606.50

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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.