Home / 3,071.45-4,238.78-2,324.11

Finding the Fourth Proportional to 3,071.45, 4,238.78 and 2,324.11

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Solution

The fourth proportional to 3,071.45, 4,238.78 and 2,324.11 is: 3,207.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.45 : 4,238.78 = 2,324.11 : x
  2. Step 2: Convert to fraction form
    3,071.45/4,238.78 = 2,324.11/x
  3. Step 3: Cross multiply
    3,071.45x = 4,238.78 × 2,324.11
  4. Step 4: Simplify right side
    3,071.45x = 9,851,379.37
  5. Step 5: Solve for x
    x = 9,851,379.37/3,071.45
  6. Step 6: Final answer
    x = 3,207.41

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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.