Home / 4,234.80-6,351.32-1,637.36

Finding the Fourth Proportional to 4,234.80, 6,351.32 and 1,637.36

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Solution

The fourth proportional to 4,234.80, 6,351.32 and 1,637.36 is: 2,455.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,234.80 : 6,351.32 = 1,637.36 : x
  2. Step 2: Convert to fraction form
    4,234.80/6,351.32 = 1,637.36/x
  3. Step 3: Cross multiply
    4,234.80x = 6,351.32 × 1,637.36
  4. Step 4: Simplify right side
    4,234.80x = 10,399,397.32
  5. Step 5: Solve for x
    x = 10,399,397.32/4,234.80
  6. Step 6: Final answer
    x = 2,455.70

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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.