Home / 3,238.55-4,857.62-1,047.09

Finding the Fourth Proportional to 3,238.55, 4,857.62 and 1,047.09

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Solution

The fourth proportional to 3,238.55, 4,857.62 and 1,047.09 is: 1,570.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.55 : 4,857.62 = 1,047.09 : x
  2. Step 2: Convert to fraction form
    3,238.55/4,857.62 = 1,047.09/x
  3. Step 3: Cross multiply
    3,238.55x = 4,857.62 × 1,047.09
  4. Step 4: Simplify right side
    3,238.55x = 5,086,360.09
  5. Step 5: Solve for x
    x = 5,086,360.09/3,238.55
  6. Step 6: Final answer
    x = 1,570.57

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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.