Home / 3,008.30-4,151.39-1,889.96

Finding the Fourth Proportional to 3,008.30, 4,151.39 and 1,889.96

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Solution

The fourth proportional to 3,008.30, 4,151.39 and 1,889.96 is: 2,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.30 : 4,151.39 = 1,889.96 : x
  2. Step 2: Convert to fraction form
    3,008.30/4,151.39 = 1,889.96/x
  3. Step 3: Cross multiply
    3,008.30x = 4,151.39 × 1,889.96
  4. Step 4: Simplify right side
    3,008.30x = 7,845,930.84
  5. Step 5: Solve for x
    x = 7,845,930.84/3,008.30
  6. Step 6: Final answer
    x = 2,608.10

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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.