Home / 2,428.44-3,357.99-1,930.20

Finding the Fourth Proportional to 2,428.44, 3,357.99 and 1,930.20

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Solution

The fourth proportional to 2,428.44, 3,357.99 and 1,930.20 is: 2,669.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.44 : 3,357.99 = 1,930.20 : x
  2. Step 2: Convert to fraction form
    2,428.44/3,357.99 = 1,930.20/x
  3. Step 3: Cross multiply
    2,428.44x = 3,357.99 × 1,930.20
  4. Step 4: Simplify right side
    2,428.44x = 6,481,592.30
  5. Step 5: Solve for x
    x = 6,481,592.30/2,428.44
  6. Step 6: Final answer
    x = 2,669.04

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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.