Home / 3,218.48-4,825.40-2,175.92

Finding the Fourth Proportional to 3,218.48, 4,825.40 and 2,175.92

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Solution

The fourth proportional to 3,218.48, 4,825.40 and 2,175.92 is: 3,262.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.48 : 4,825.40 = 2,175.92 : x
  2. Step 2: Convert to fraction form
    3,218.48/4,825.40 = 2,175.92/x
  3. Step 3: Cross multiply
    3,218.48x = 4,825.40 × 2,175.92
  4. Step 4: Simplify right side
    3,218.48x = 10,499,684.37
  5. Step 5: Solve for x
    x = 10,499,684.37/3,218.48
  6. Step 6: Final answer
    x = 3,262.31

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1.5x scale

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.