Home / 3,110.03-4,665.63-1,808.75

Finding the Fourth Proportional to 3,110.03, 4,665.63 and 1,808.75

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Solution

The fourth proportional to 3,110.03, 4,665.63 and 1,808.75 is: 2,713.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.03 : 4,665.63 = 1,808.75 : x
  2. Step 2: Convert to fraction form
    3,110.03/4,665.63 = 1,808.75/x
  3. Step 3: Cross multiply
    3,110.03x = 4,665.63 × 1,808.75
  4. Step 4: Simplify right side
    3,110.03x = 8,438,958.26
  5. Step 5: Solve for x
    x = 8,438,958.26/3,110.03
  6. Step 6: Final answer
    x = 2,713.47

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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.