Home / 3,190.13-4,763.69-2,606.28

Finding the Fourth Proportional to 3,190.13, 4,763.69 and 2,606.28

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Solution

The fourth proportional to 3,190.13, 4,763.69 and 2,606.28 is: 3,891.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.13 : 4,763.69 = 2,606.28 : x
  2. Step 2: Convert to fraction form
    3,190.13/4,763.69 = 2,606.28/x
  3. Step 3: Cross multiply
    3,190.13x = 4,763.69 × 2,606.28
  4. Step 4: Simplify right side
    3,190.13x = 12,415,481.52
  5. Step 5: Solve for x
    x = 12,415,481.52/3,190.13
  6. Step 6: Final answer
    x = 3,891.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.