Home / 2,982.54-4,115.66-1,656.30

Finding the Fourth Proportional to 2,982.54, 4,115.66 and 1,656.30

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Solution

The fourth proportional to 2,982.54, 4,115.66 and 1,656.30 is: 2,285.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.54 : 4,115.66 = 1,656.30 : x
  2. Step 2: Convert to fraction form
    2,982.54/4,115.66 = 1,656.30/x
  3. Step 3: Cross multiply
    2,982.54x = 4,115.66 × 1,656.30
  4. Step 4: Simplify right side
    2,982.54x = 6,816,767.66
  5. Step 5: Solve for x
    x = 6,816,767.66/2,982.54
  6. Step 6: Final answer
    x = 2,285.56

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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.