Home / 3,357.45-4,630.37-2,412.79

Finding the Fourth Proportional to 3,357.45, 4,630.37 and 2,412.79

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Solution

The fourth proportional to 3,357.45, 4,630.37 and 2,412.79 is: 3,327.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.45 : 4,630.37 = 2,412.79 : x
  2. Step 2: Convert to fraction form
    3,357.45/4,630.37 = 2,412.79/x
  3. Step 3: Cross multiply
    3,357.45x = 4,630.37 × 2,412.79
  4. Step 4: Simplify right side
    3,357.45x = 11,172,086.79
  5. Step 5: Solve for x
    x = 11,172,086.79/3,357.45
  6. Step 6: Final answer
    x = 3,327.55

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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.