Home / 3,307.16-4,563.78-1,980.02

Finding the Fourth Proportional to 3,307.16, 4,563.78 and 1,980.02

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Solution

The fourth proportional to 3,307.16, 4,563.78 and 1,980.02 is: 2,732.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.16 : 4,563.78 = 1,980.02 : x
  2. Step 2: Convert to fraction form
    3,307.16/4,563.78 = 1,980.02/x
  3. Step 3: Cross multiply
    3,307.16x = 4,563.78 × 1,980.02
  4. Step 4: Simplify right side
    3,307.16x = 9,036,375.68
  5. Step 5: Solve for x
    x = 9,036,375.68/3,307.16
  6. Step 6: Final answer
    x = 2,732.37

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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.