Home / 3,243.66-4,478.24-2,110.41

Finding the Fourth Proportional to 3,243.66, 4,478.24 and 2,110.41

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Solution

The fourth proportional to 3,243.66, 4,478.24 and 2,110.41 is: 2,913.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.66 : 4,478.24 = 2,110.41 : x
  2. Step 2: Convert to fraction form
    3,243.66/4,478.24 = 2,110.41/x
  3. Step 3: Cross multiply
    3,243.66x = 4,478.24 × 2,110.41
  4. Step 4: Simplify right side
    3,243.66x = 9,450,911.93
  5. Step 5: Solve for x
    x = 9,450,911.93/3,243.66
  6. Step 6: Final answer
    x = 2,913.66

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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.