Home / 3,443.34-5,162.45-1,361.64

Finding the Fourth Proportional to 3,443.34, 5,162.45 and 1,361.64

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Solution

The fourth proportional to 3,443.34, 5,162.45 and 1,361.64 is: 2,041.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,443.34 : 5,162.45 = 1,361.64 : x
  2. Step 2: Convert to fraction form
    3,443.34/5,162.45 = 1,361.64/x
  3. Step 3: Cross multiply
    3,443.34x = 5,162.45 × 1,361.64
  4. Step 4: Simplify right side
    3,443.34x = 7,029,391.61
  5. Step 5: Solve for x
    x = 7,029,391.61/3,443.34
  6. Step 6: Final answer
    x = 2,041.45

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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.