Home / 3,464.21-5,190.16-2,639.98

Finding the Fourth Proportional to 3,464.21, 5,190.16 and 2,639.98

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Solution

The fourth proportional to 3,464.21, 5,190.16 and 2,639.98 is: 3,955.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.21 : 5,190.16 = 2,639.98 : x
  2. Step 2: Convert to fraction form
    3,464.21/5,190.16 = 2,639.98/x
  3. Step 3: Cross multiply
    3,464.21x = 5,190.16 × 2,639.98
  4. Step 4: Simplify right side
    3,464.21x = 13,701,918.60
  5. Step 5: Solve for x
    x = 13,701,918.60/3,464.21
  6. Step 6: Final answer
    x = 3,955.28

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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.