Home / 1,990.14-2,982.96-1,014.18

Finding the Fourth Proportional to 1,990.14, 2,982.96 and 1,014.18

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Solution

The fourth proportional to 1,990.14, 2,982.96 and 1,014.18 is: 1,520.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990.14 : 2,982.96 = 1,014.18 : x
  2. Step 2: Convert to fraction form
    1,990.14/2,982.96 = 1,014.18/x
  3. Step 3: Cross multiply
    1,990.14x = 2,982.96 × 1,014.18
  4. Step 4: Simplify right side
    1,990.14x = 3,025,258.37
  5. Step 5: Solve for x
    x = 3,025,258.37/1,990.14
  6. Step 6: Final answer
    x = 1,520.12

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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.