Home / 3,622.25-5,430.30-3,450.02

Finding the Fourth Proportional to 3,622.25, 5,430.30 and 3,450.02

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Solution

The fourth proportional to 3,622.25, 5,430.30 and 3,450.02 is: 5,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.25 : 5,430.30 = 3,450.02 : x
  2. Step 2: Convert to fraction form
    3,622.25/5,430.30 = 3,450.02/x
  3. Step 3: Cross multiply
    3,622.25x = 5,430.30 × 3,450.02
  4. Step 4: Simplify right side
    3,622.25x = 18,734,643.61
  5. Step 5: Solve for x
    x = 18,734,643.61/3,622.25
  6. Step 6: Final answer
    x = 5,172.10

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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.