Home / 3,321.10-4,583.64-2,190.07

Finding the Fourth Proportional to 3,321.10, 4,583.64 and 2,190.07

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Solution

The fourth proportional to 3,321.10, 4,583.64 and 2,190.07 is: 3,022.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.10 : 4,583.64 = 2,190.07 : x
  2. Step 2: Convert to fraction form
    3,321.10/4,583.64 = 2,190.07/x
  3. Step 3: Cross multiply
    3,321.10x = 4,583.64 × 2,190.07
  4. Step 4: Simplify right side
    3,321.10x = 10,038,492.45
  5. Step 5: Solve for x
    x = 10,038,492.45/3,321.10
  6. Step 6: Final answer
    x = 3,022.64

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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.