Home / 3,008.28-4,151.41-1,663.99

Finding the Fourth Proportional to 3,008.28, 4,151.41 and 1,663.99

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Solution

The fourth proportional to 3,008.28, 4,151.41 and 1,663.99 is: 2,296.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.28 : 4,151.41 = 1,663.99 : x
  2. Step 2: Convert to fraction form
    3,008.28/4,151.41 = 1,663.99/x
  3. Step 3: Cross multiply
    3,008.28x = 4,151.41 × 1,663.99
  4. Step 4: Simplify right side
    3,008.28x = 6,907,890.19
  5. Step 5: Solve for x
    x = 6,907,890.19/3,008.28
  6. Step 6: Final answer
    x = 2,296.29

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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.