Home / 3,522-5,284.05-1,331.07

Finding the Fourth Proportional to 3,522, 5,284.05 and 1,331.07

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Solution

The fourth proportional to 3,522, 5,284.05 and 1,331.07 is: 1,997.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522 : 5,284.05 = 1,331.07 : x
  2. Step 2: Convert to fraction form
    3,522/5,284.05 = 1,331.07/x
  3. Step 3: Cross multiply
    3,522x = 5,284.05 × 1,331.07
  4. Step 4: Simplify right side
    3,522x = 7,033,440.43
  5. Step 5: Solve for x
    x = 7,033,440.43/3,522
  6. Step 6: Final answer
    x = 1,997.00

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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.