Home / 2,349.09-3,241.71-1,286.84

Finding the Fourth Proportional to 2,349.09, 3,241.71 and 1,286.84

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Solution

The fourth proportional to 2,349.09, 3,241.71 and 1,286.84 is: 1,775.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349.09 : 3,241.71 = 1,286.84 : x
  2. Step 2: Convert to fraction form
    2,349.09/3,241.71 = 1,286.84/x
  3. Step 3: Cross multiply
    2,349.09x = 3,241.71 × 1,286.84
  4. Step 4: Simplify right side
    2,349.09x = 4,171,562.10
  5. Step 5: Solve for x
    x = 4,171,562.10/2,349.09
  6. Step 6: Final answer
    x = 1,775.82

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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.