Home / 2,674.22-4,007.68-1,442.21

Finding the Fourth Proportional to 2,674.22, 4,007.68 and 1,442.21

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Solution

The fourth proportional to 2,674.22, 4,007.68 and 1,442.21 is: 2,161.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674.22 : 4,007.68 = 1,442.21 : x
  2. Step 2: Convert to fraction form
    2,674.22/4,007.68 = 1,442.21/x
  3. Step 3: Cross multiply
    2,674.22x = 4,007.68 × 1,442.21
  4. Step 4: Simplify right side
    2,674.22x = 5,779,892.53
  5. Step 5: Solve for x
    x = 5,779,892.53/2,674.22
  6. Step 6: Final answer
    x = 2,161.34

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1.5x scale

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.