Home / 2,012.96-3,024.56-1,890.08

Finding the Fourth Proportional to 2,012.96, 3,024.56 and 1,890.08

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Solution

The fourth proportional to 2,012.96, 3,024.56 and 1,890.08 is: 2,839.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012.96 : 3,024.56 = 1,890.08 : x
  2. Step 2: Convert to fraction form
    2,012.96/3,024.56 = 1,890.08/x
  3. Step 3: Cross multiply
    2,012.96x = 3,024.56 × 1,890.08
  4. Step 4: Simplify right side
    2,012.96x = 5,716,660.36
  5. Step 5: Solve for x
    x = 5,716,660.36/2,012.96
  6. Step 6: Final answer
    x = 2,839.93

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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.