Home / 3,580.00-4,939.99-1,986.32

Finding the Fourth Proportional to 3,580.00, 4,939.99 and 1,986.32

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Solution

The fourth proportional to 3,580.00, 4,939.99 and 1,986.32 is: 2,740.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.00 : 4,939.99 = 1,986.32 : x
  2. Step 2: Convert to fraction form
    3,580.00/4,939.99 = 1,986.32/x
  3. Step 3: Cross multiply
    3,580.00x = 4,939.99 × 1,986.32
  4. Step 4: Simplify right side
    3,580.00x = 9,812,408.32
  5. Step 5: Solve for x
    x = 9,812,408.32/3,580.00
  6. Step 6: Final answer
    x = 2,740.90

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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.