Home / 3,808.26-5,713.62-1,618.83

Finding the Fourth Proportional to 3,808.26, 5,713.62 and 1,618.83

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Solution

The fourth proportional to 3,808.26, 5,713.62 and 1,618.83 is: 2,428.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.26 : 5,713.62 = 1,618.83 : x
  2. Step 2: Convert to fraction form
    3,808.26/5,713.62 = 1,618.83/x
  3. Step 3: Cross multiply
    3,808.26x = 5,713.62 × 1,618.83
  4. Step 4: Simplify right side
    3,808.26x = 9,249,379.46
  5. Step 5: Solve for x
    x = 9,249,379.46/3,808.26
  6. Step 6: Final answer
    x = 2,428.77

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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.