Home / 3,216.19-4,821.20-1,023.49

Finding the Fourth Proportional to 3,216.19, 4,821.20 and 1,023.49

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Solution

The fourth proportional to 3,216.19, 4,821.20 and 1,023.49 is: 1,534.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.19 : 4,821.20 = 1,023.49 : x
  2. Step 2: Convert to fraction form
    3,216.19/4,821.20 = 1,023.49/x
  3. Step 3: Cross multiply
    3,216.19x = 4,821.20 × 1,023.49
  4. Step 4: Simplify right side
    3,216.19x = 4,934,420.76
  5. Step 5: Solve for x
    x = 4,934,420.76/3,216.19
  6. Step 6: Final answer
    x = 1,534.25

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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.