Home / 3,455.94-4,772.01-2,817.98

Finding the Fourth Proportional to 3,455.94, 4,772.01 and 2,817.98

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Solution

The fourth proportional to 3,455.94, 4,772.01 and 2,817.98 is: 3,891.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.94 : 4,772.01 = 2,817.98 : x
  2. Step 2: Convert to fraction form
    3,455.94/4,772.01 = 2,817.98/x
  3. Step 3: Cross multiply
    3,455.94x = 4,772.01 × 2,817.98
  4. Step 4: Simplify right side
    3,455.94x = 13,447,440.67
  5. Step 5: Solve for x
    x = 13,447,440.67/3,455.94
  6. Step 6: Final answer
    x = 3,891.11

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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.