Home / 1,612.18-2,224.83-982.73

Finding the Fourth Proportional to 1,612.18, 2,224.83 and 982.73

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Solution

The fourth proportional to 1,612.18, 2,224.83 and 982.73 is: 1,356.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.18 : 2,224.83 = 982.73 : x
  2. Step 2: Convert to fraction form
    1,612.18/2,224.83 = 982.73/x
  3. Step 3: Cross multiply
    1,612.18x = 2,224.83 × 982.73
  4. Step 4: Simplify right side
    1,612.18x = 2,186,391.15
  5. Step 5: Solve for x
    x = 2,186,391.15/1,612.18
  6. Step 6: Final answer
    x = 1,356.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.