Home / 3,111.30-4,668.57-2,015.37

Finding the Fourth Proportional to 3,111.30, 4,668.57 and 2,015.37

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Solution

The fourth proportional to 3,111.30, 4,668.57 and 2,015.37 is: 3,024.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.30 : 4,668.57 = 2,015.37 : x
  2. Step 2: Convert to fraction form
    3,111.30/4,668.57 = 2,015.37/x
  3. Step 3: Cross multiply
    3,111.30x = 4,668.57 × 2,015.37
  4. Step 4: Simplify right side
    3,111.30x = 9,408,895.92
  5. Step 5: Solve for x
    x = 9,408,895.92/3,111.30
  6. Step 6: Final answer
    x = 3,024.10

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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.