Home / 3,214.58-4,821.82-1,023.28

Finding the Fourth Proportional to 3,214.58, 4,821.82 and 1,023.28

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Solution

The fourth proportional to 3,214.58, 4,821.82 and 1,023.28 is: 1,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.58 : 4,821.82 = 1,023.28 : x
  2. Step 2: Convert to fraction form
    3,214.58/4,821.82 = 1,023.28/x
  3. Step 3: Cross multiply
    3,214.58x = 4,821.82 × 1,023.28
  4. Step 4: Simplify right side
    3,214.58x = 4,934,042.74
  5. Step 5: Solve for x
    x = 4,934,042.74/3,214.58
  6. Step 6: Final answer
    x = 1,534.90

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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.