Home / 3,251.75-4,470.80-2,646.68

Finding the Fourth Proportional to 3,251.75, 4,470.80 and 2,646.68

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Solution

The fourth proportional to 3,251.75, 4,470.80 and 2,646.68 is: 3,638.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.75 : 4,470.80 = 2,646.68 : x
  2. Step 2: Convert to fraction form
    3,251.75/4,470.80 = 2,646.68/x
  3. Step 3: Cross multiply
    3,251.75x = 4,470.80 × 2,646.68
  4. Step 4: Simplify right side
    3,251.75x = 11,832,741.36
  5. Step 5: Solve for x
    x = 11,832,741.36/3,251.75
  6. Step 6: Final answer
    x = 3,638.89

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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.