Home / 3,189.88-4,398.06-2,632.60

Finding the Fourth Proportional to 3,189.88, 4,398.06 and 2,632.60

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Solution

The fourth proportional to 3,189.88, 4,398.06 and 2,632.60 is: 3,629.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.88 : 4,398.06 = 2,632.60 : x
  2. Step 2: Convert to fraction form
    3,189.88/4,398.06 = 2,632.60/x
  3. Step 3: Cross multiply
    3,189.88x = 4,398.06 × 2,632.60
  4. Step 4: Simplify right side
    3,189.88x = 11,578,332.76
  5. Step 5: Solve for x
    x = 11,578,332.76/3,189.88
  6. Step 6: Final answer
    x = 3,629.71

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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.