Home / 3,215.04-4,822.20-1,023.60

Finding the Fourth Proportional to 3,215.04, 4,822.20 and 1,023.60

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Solution

The fourth proportional to 3,215.04, 4,822.20 and 1,023.60 is: 1,535.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.04 : 4,822.20 = 1,023.60 : x
  2. Step 2: Convert to fraction form
    3,215.04/4,822.20 = 1,023.60/x
  3. Step 3: Cross multiply
    3,215.04x = 4,822.20 × 1,023.60
  4. Step 4: Simplify right side
    3,215.04x = 4,936,003.92
  5. Step 5: Solve for x
    x = 4,936,003.92/3,215.04
  6. Step 6: Final answer
    x = 1,535.29

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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.