Home / 2,989.13-4,485.33-1,450.13

Finding the Fourth Proportional to 2,989.13, 4,485.33 and 1,450.13

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Solution

The fourth proportional to 2,989.13, 4,485.33 and 1,450.13 is: 2,175.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.13 : 4,485.33 = 1,450.13 : x
  2. Step 2: Convert to fraction form
    2,989.13/4,485.33 = 1,450.13/x
  3. Step 3: Cross multiply
    2,989.13x = 4,485.33 × 1,450.13
  4. Step 4: Simplify right side
    2,989.13x = 6,504,289.17
  5. Step 5: Solve for x
    x = 6,504,289.17/2,989.13
  6. Step 6: Final answer
    x = 2,175.98

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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.