Home / 2,674.31-4,012.68-1,440.41

Finding the Fourth Proportional to 2,674.31, 4,012.68 and 1,440.41

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Solution

The fourth proportional to 2,674.31, 4,012.68 and 1,440.41 is: 2,161.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674.31 : 4,012.68 = 1,440.41 : x
  2. Step 2: Convert to fraction form
    2,674.31/4,012.68 = 1,440.41/x
  3. Step 3: Cross multiply
    2,674.31x = 4,012.68 × 1,440.41
  4. Step 4: Simplify right side
    2,674.31x = 5,779,904.40
  5. Step 5: Solve for x
    x = 5,779,904.40/2,674.31
  6. Step 6: Final answer
    x = 2,161.27

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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.