Home / 3,471.14-5,206.80-1,131.15

Finding the Fourth Proportional to 3,471.14, 5,206.80 and 1,131.15

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Solution

The fourth proportional to 3,471.14, 5,206.80 and 1,131.15 is: 1,696.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.14 : 5,206.80 = 1,131.15 : x
  2. Step 2: Convert to fraction form
    3,471.14/5,206.80 = 1,131.15/x
  3. Step 3: Cross multiply
    3,471.14x = 5,206.80 × 1,131.15
  4. Step 4: Simplify right side
    3,471.14x = 5,889,671.82
  5. Step 5: Solve for x
    x = 5,889,671.82/3,471.14
  6. Step 6: Final answer
    x = 1,696.75

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.