Home / 3,047.77-4,214.21-2,998.33

Finding the Fourth Proportional to 3,047.77, 4,214.21 and 2,998.33

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Solution

The fourth proportional to 3,047.77, 4,214.21 and 2,998.33 is: 4,145.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.77 : 4,214.21 = 2,998.33 : x
  2. Step 2: Convert to fraction form
    3,047.77/4,214.21 = 2,998.33/x
  3. Step 3: Cross multiply
    3,047.77x = 4,214.21 × 2,998.33
  4. Step 4: Simplify right side
    3,047.77x = 12,635,592.27
  5. Step 5: Solve for x
    x = 12,635,592.27/3,047.77
  6. Step 6: Final answer
    x = 4,145.85

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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.