Home / 4,940.10-7,410.60-2,017.80

Finding the Fourth Proportional to 4,940.10, 7,410.60 and 2,017.80

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Solution

The fourth proportional to 4,940.10, 7,410.60 and 2,017.80 is: 3,026.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.10 : 7,410.60 = 2,017.80 : x
  2. Step 2: Convert to fraction form
    4,940.10/7,410.60 = 2,017.80/x
  3. Step 3: Cross multiply
    4,940.10x = 7,410.60 × 2,017.80
  4. Step 4: Simplify right side
    4,940.10x = 14,953,108.68
  5. Step 5: Solve for x
    x = 14,953,108.68/4,940.10
  6. Step 6: Final answer
    x = 3,026.88

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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.