Home / 3,383.35-4,651.09-2,909.51

Finding the Fourth Proportional to 3,383.35, 4,651.09 and 2,909.51

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Solution

The fourth proportional to 3,383.35, 4,651.09 and 2,909.51 is: 3,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.35 : 4,651.09 = 2,909.51 : x
  2. Step 2: Convert to fraction form
    3,383.35/4,651.09 = 2,909.51/x
  3. Step 3: Cross multiply
    3,383.35x = 4,651.09 × 2,909.51
  4. Step 4: Simplify right side
    3,383.35x = 13,532,392.87
  5. Step 5: Solve for x
    x = 13,532,392.87/3,383.35
  6. Step 6: Final answer
    x = 3,999.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.