Home / 3,283.02-4,914.78-1,980.54

Finding the Fourth Proportional to 3,283.02, 4,914.78 and 1,980.54

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Solution

The fourth proportional to 3,283.02, 4,914.78 and 1,980.54 is: 2,964.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,283.02 : 4,914.78 = 1,980.54 : x
  2. Step 2: Convert to fraction form
    3,283.02/4,914.78 = 1,980.54/x
  3. Step 3: Cross multiply
    3,283.02x = 4,914.78 × 1,980.54
  4. Step 4: Simplify right side
    3,283.02x = 9,733,918.38
  5. Step 5: Solve for x
    x = 9,733,918.38/3,283.02
  6. Step 6: Final answer
    x = 2,964.93

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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.