Home / 3,047.43-4,201.38-2,287.99

Finding the Fourth Proportional to 3,047.43, 4,201.38 and 2,287.99

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Solution

The fourth proportional to 3,047.43, 4,201.38 and 2,287.99 is: 3,154.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.43 : 4,201.38 = 2,287.99 : x
  2. Step 2: Convert to fraction form
    3,047.43/4,201.38 = 2,287.99/x
  3. Step 3: Cross multiply
    3,047.43x = 4,201.38 × 2,287.99
  4. Step 4: Simplify right side
    3,047.43x = 9,612,715.43
  5. Step 5: Solve for x
    x = 9,612,715.43/3,047.43
  6. Step 6: Final answer
    x = 3,154.37

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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.