Home / 2,845.80-4,265.91-1,384.14

Finding the Fourth Proportional to 2,845.80, 4,265.91 and 1,384.14

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Solution

The fourth proportional to 2,845.80, 4,265.91 and 1,384.14 is: 2,074.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.80 : 4,265.91 = 1,384.14 : x
  2. Step 2: Convert to fraction form
    2,845.80/4,265.91 = 1,384.14/x
  3. Step 3: Cross multiply
    2,845.80x = 4,265.91 × 1,384.14
  4. Step 4: Simplify right side
    2,845.80x = 5,904,616.67
  5. Step 5: Solve for x
    x = 5,904,616.67/2,845.80
  6. Step 6: Final answer
    x = 2,074.85

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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.