Home / 2,814.82-4,213.59-1,786.66

Finding the Fourth Proportional to 2,814.82, 4,213.59 and 1,786.66

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Solution

The fourth proportional to 2,814.82, 4,213.59 and 1,786.66 is: 2,674.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.82 : 4,213.59 = 1,786.66 : x
  2. Step 2: Convert to fraction form
    2,814.82/4,213.59 = 1,786.66/x
  3. Step 3: Cross multiply
    2,814.82x = 4,213.59 × 1,786.66
  4. Step 4: Simplify right side
    2,814.82x = 7,528,252.71
  5. Step 5: Solve for x
    x = 7,528,252.71/2,814.82
  6. Step 6: Final answer
    x = 2,674.51

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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.