Home / 3,243.69-4,867.16-2,813.85

Finding the Fourth Proportional to 3,243.69, 4,867.16 and 2,813.85

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Solution

The fourth proportional to 3,243.69, 4,867.16 and 2,813.85 is: 4,222.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.69 : 4,867.16 = 2,813.85 : x
  2. Step 2: Convert to fraction form
    3,243.69/4,867.16 = 2,813.85/x
  3. Step 3: Cross multiply
    3,243.69x = 4,867.16 × 2,813.85
  4. Step 4: Simplify right side
    3,243.69x = 13,695,444.10
  5. Step 5: Solve for x
    x = 13,695,444.10/3,243.69
  6. Step 6: Final answer
    x = 4,222.18

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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.