Home / 3,220.83-4,837.73-2,814.21

Finding the Fourth Proportional to 3,220.83, 4,837.73 and 2,814.21

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Solution

The fourth proportional to 3,220.83, 4,837.73 and 2,814.21 is: 4,226.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.83 : 4,837.73 = 2,814.21 : x
  2. Step 2: Convert to fraction form
    3,220.83/4,837.73 = 2,814.21/x
  3. Step 3: Cross multiply
    3,220.83x = 4,837.73 × 2,814.21
  4. Step 4: Simplify right side
    3,220.83x = 13,614,374.07
  5. Step 5: Solve for x
    x = 13,614,374.07/3,220.83
  6. Step 6: Final answer
    x = 4,226.98

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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.