Home / 3,218.67-4,827.76-1,245.24

Finding the Fourth Proportional to 3,218.67, 4,827.76 and 1,245.24

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Solution

The fourth proportional to 3,218.67, 4,827.76 and 1,245.24 is: 1,867.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.67 : 4,827.76 = 1,245.24 : x
  2. Step 2: Convert to fraction form
    3,218.67/4,827.76 = 1,245.24/x
  3. Step 3: Cross multiply
    3,218.67x = 4,827.76 × 1,245.24
  4. Step 4: Simplify right side
    3,218.67x = 6,011,716.75
  5. Step 5: Solve for x
    x = 6,011,716.75/3,218.67
  6. Step 6: Final answer
    x = 1,867.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.