Home / 1,962.10-2,949.90-1,694.80

Finding the Fourth Proportional to 1,962.10, 2,949.90 and 1,694.80

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Solution

The fourth proportional to 1,962.10, 2,949.90 and 1,694.80 is: 2,548.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962.10 : 2,949.90 = 1,694.80 : x
  2. Step 2: Convert to fraction form
    1,962.10/2,949.90 = 1,694.80/x
  3. Step 3: Cross multiply
    1,962.10x = 2,949.90 × 1,694.80
  4. Step 4: Simplify right side
    1,962.10x = 4,999,490.52
  5. Step 5: Solve for x
    x = 4,999,490.52/1,962.10
  6. Step 6: Final answer
    x = 2,548.03

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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.