Home / 3,318.76-4,995.43-2,817.64

Finding the Fourth Proportional to 3,318.76, 4,995.43 and 2,817.64

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Solution

The fourth proportional to 3,318.76, 4,995.43 and 2,817.64 is: 4,241.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.76 : 4,995.43 = 2,817.64 : x
  2. Step 2: Convert to fraction form
    3,318.76/4,995.43 = 2,817.64/x
  3. Step 3: Cross multiply
    3,318.76x = 4,995.43 × 2,817.64
  4. Step 4: Simplify right side
    3,318.76x = 14,075,323.39
  5. Step 5: Solve for x
    x = 14,075,323.39/3,318.76
  6. Step 6: Final answer
    x = 4,241.14

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.