Home / 2,814.67-4,221.12-2,032.21

Finding the Fourth Proportional to 2,814.67, 4,221.12 and 2,032.21

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Solution

The fourth proportional to 2,814.67, 4,221.12 and 2,032.21 is: 3,047.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.67 : 4,221.12 = 2,032.21 : x
  2. Step 2: Convert to fraction form
    2,814.67/4,221.12 = 2,032.21/x
  3. Step 3: Cross multiply
    2,814.67x = 4,221.12 × 2,032.21
  4. Step 4: Simplify right side
    2,814.67x = 8,578,202.28
  5. Step 5: Solve for x
    x = 8,578,202.28/2,814.67
  6. Step 6: Final answer
    x = 3,047.68

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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.