Home / 3,366.16-4,645.14-2,039.78

Finding the Fourth Proportional to 3,366.16, 4,645.14 and 2,039.78

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Solution

The fourth proportional to 3,366.16, 4,645.14 and 2,039.78 is: 2,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.16 : 4,645.14 = 2,039.78 : x
  2. Step 2: Convert to fraction form
    3,366.16/4,645.14 = 2,039.78/x
  3. Step 3: Cross multiply
    3,366.16x = 4,645.14 × 2,039.78
  4. Step 4: Simplify right side
    3,366.16x = 9,475,063.67
  5. Step 5: Solve for x
    x = 9,475,063.67/3,366.16
  6. Step 6: Final answer
    x = 2,814.80

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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.