Home / 3,245.40-4,857.17-2,698.65

Finding the Fourth Proportional to 3,245.40, 4,857.17 and 2,698.65

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Solution

The fourth proportional to 3,245.40, 4,857.17 and 2,698.65 is: 4,038.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.40 : 4,857.17 = 2,698.65 : x
  2. Step 2: Convert to fraction form
    3,245.40/4,857.17 = 2,698.65/x
  3. Step 3: Cross multiply
    3,245.40x = 4,857.17 × 2,698.65
  4. Step 4: Simplify right side
    3,245.40x = 13,107,788.33
  5. Step 5: Solve for x
    x = 13,107,788.33/3,245.40
  6. Step 6: Final answer
    x = 4,038.88

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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.