Home / 2,216.54-3,325.17-983.18

Finding the Fourth Proportional to 2,216.54, 3,325.17 and 983.18

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Solution

The fourth proportional to 2,216.54, 3,325.17 and 983.18 is: 1,474.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.54 : 3,325.17 = 983.18 : x
  2. Step 2: Convert to fraction form
    2,216.54/3,325.17 = 983.18/x
  3. Step 3: Cross multiply
    2,216.54x = 3,325.17 × 983.18
  4. Step 4: Simplify right side
    2,216.54x = 3,269,240.64
  5. Step 5: Solve for x
    x = 3,269,240.64/2,216.54
  6. Step 6: Final answer
    x = 1,474.93

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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.