Home / 2,980.46-4,112.00-2,533.88

Finding the Fourth Proportional to 2,980.46, 4,112.00 and 2,533.88

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Solution

The fourth proportional to 2,980.46, 4,112.00 and 2,533.88 is: 3,495.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980.46 : 4,112.00 = 2,533.88 : x
  2. Step 2: Convert to fraction form
    2,980.46/4,112.00 = 2,533.88/x
  3. Step 3: Cross multiply
    2,980.46x = 4,112.00 × 2,533.88
  4. Step 4: Simplify right side
    2,980.46x = 10,419,321.67
  5. Step 5: Solve for x
    x = 10,419,321.67/2,980.46
  6. Step 6: Final answer
    x = 3,495.87

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1.5x scale

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.