Home / 3,218.57-4,828.37-1,575.25

Finding the Fourth Proportional to 3,218.57, 4,828.37 and 1,575.25

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Solution

The fourth proportional to 3,218.57, 4,828.37 and 1,575.25 is: 2,363.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.57 : 4,828.37 = 1,575.25 : x
  2. Step 2: Convert to fraction form
    3,218.57/4,828.37 = 1,575.25/x
  3. Step 3: Cross multiply
    3,218.57x = 4,828.37 × 1,575.25
  4. Step 4: Simplify right side
    3,218.57x = 7,605,880.97
  5. Step 5: Solve for x
    x = 7,605,880.97/3,218.57
  6. Step 6: Final answer
    x = 2,363.12

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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.