Home / 3,221.31-4,830.58-1,835.29

Finding the Fourth Proportional to 3,221.31, 4,830.58 and 1,835.29

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Solution

The fourth proportional to 3,221.31, 4,830.58 and 1,835.29 is: 2,752.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.31 : 4,830.58 = 1,835.29 : x
  2. Step 2: Convert to fraction form
    3,221.31/4,830.58 = 1,835.29/x
  3. Step 3: Cross multiply
    3,221.31x = 4,830.58 × 1,835.29
  4. Step 4: Simplify right side
    3,221.31x = 8,865,515.17
  5. Step 5: Solve for x
    x = 8,865,515.17/3,221.31
  6. Step 6: Final answer
    x = 2,752.15

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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.