Home / 2,980.60-4,469.10-1,336.84

Finding the Fourth Proportional to 2,980.60, 4,469.10 and 1,336.84

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Solution

The fourth proportional to 2,980.60, 4,469.10 and 1,336.84 is: 2,004.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980.60 : 4,469.10 = 1,336.84 : x
  2. Step 2: Convert to fraction form
    2,980.60/4,469.10 = 1,336.84/x
  3. Step 3: Cross multiply
    2,980.60x = 4,469.10 × 1,336.84
  4. Step 4: Simplify right side
    2,980.60x = 5,974,471.64
  5. Step 5: Solve for x
    x = 5,974,471.64/2,980.60
  6. Step 6: Final answer
    x = 2,004.45

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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.