Home / 3,347.12-5,020.68-1,811.12

Finding the Fourth Proportional to 3,347.12, 5,020.68 and 1,811.12

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Solution

The fourth proportional to 3,347.12, 5,020.68 and 1,811.12 is: 2,716.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.12 : 5,020.68 = 1,811.12 : x
  2. Step 2: Convert to fraction form
    3,347.12/5,020.68 = 1,811.12/x
  3. Step 3: Cross multiply
    3,347.12x = 5,020.68 × 1,811.12
  4. Step 4: Simplify right side
    3,347.12x = 9,093,053.96
  5. Step 5: Solve for x
    x = 9,093,053.96/3,347.12
  6. Step 6: Final answer
    x = 2,716.68

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Similar ratio
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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.