Home / 3,144.42-4,715.08-1,896.30

Finding the Fourth Proportional to 3,144.42, 4,715.08 and 1,896.30

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Solution

The fourth proportional to 3,144.42, 4,715.08 and 1,896.30 is: 2,843.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.42 : 4,715.08 = 1,896.30 : x
  2. Step 2: Convert to fraction form
    3,144.42/4,715.08 = 1,896.30/x
  3. Step 3: Cross multiply
    3,144.42x = 4,715.08 × 1,896.30
  4. Step 4: Simplify right side
    3,144.42x = 8,941,206.20
  5. Step 5: Solve for x
    x = 8,941,206.20/3,144.42
  6. Step 6: Final answer
    x = 2,843.52

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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.