Home / 3,249.89-4,484.86-1,757.81

Finding the Fourth Proportional to 3,249.89, 4,484.86 and 1,757.81

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Solution

The fourth proportional to 3,249.89, 4,484.86 and 1,757.81 is: 2,425.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.89 : 4,484.86 = 1,757.81 : x
  2. Step 2: Convert to fraction form
    3,249.89/4,484.86 = 1,757.81/x
  3. Step 3: Cross multiply
    3,249.89x = 4,484.86 × 1,757.81
  4. Step 4: Simplify right side
    3,249.89x = 7,883,538.57
  5. Step 5: Solve for x
    x = 7,883,538.57/3,249.89
  6. Step 6: Final answer
    x = 2,425.79

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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.