Home / 3,316.28-4,976.62-1,836.12

Finding the Fourth Proportional to 3,316.28, 4,976.62 and 1,836.12

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Solution

The fourth proportional to 3,316.28, 4,976.62 and 1,836.12 is: 2,755.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.28 : 4,976.62 = 1,836.12 : x
  2. Step 2: Convert to fraction form
    3,316.28/4,976.62 = 1,836.12/x
  3. Step 3: Cross multiply
    3,316.28x = 4,976.62 × 1,836.12
  4. Step 4: Simplify right side
    3,316.28x = 9,137,671.51
  5. Step 5: Solve for x
    x = 9,137,671.51/3,316.28
  6. Step 6: Final answer
    x = 2,755.40

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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.