Home / 3,857.83-5,782.91-1,516.37

Finding the Fourth Proportional to 3,857.83, 5,782.91 and 1,516.37

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Solution

The fourth proportional to 3,857.83, 5,782.91 and 1,516.37 is: 2,273.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857.83 : 5,782.91 = 1,516.37 : x
  2. Step 2: Convert to fraction form
    3,857.83/5,782.91 = 1,516.37/x
  3. Step 3: Cross multiply
    3,857.83x = 5,782.91 × 1,516.37
  4. Step 4: Simplify right side
    3,857.83x = 8,768,994.74
  5. Step 5: Solve for x
    x = 8,768,994.74/3,857.83
  6. Step 6: Final answer
    x = 2,273.04

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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.