Home / 3,243.48-4,469.76-2,357.88

Finding the Fourth Proportional to 3,243.48, 4,469.76 and 2,357.88

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Solution

The fourth proportional to 3,243.48, 4,469.76 and 2,357.88 is: 3,249.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.48 : 4,469.76 = 2,357.88 : x
  2. Step 2: Convert to fraction form
    3,243.48/4,469.76 = 2,357.88/x
  3. Step 3: Cross multiply
    3,243.48x = 4,469.76 × 2,357.88
  4. Step 4: Simplify right side
    3,243.48x = 10,539,157.71
  5. Step 5: Solve for x
    x = 10,539,157.71/3,243.48
  6. Step 6: Final answer
    x = 3,249.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.