Home / 3,493.32-5,239.98-1,643.82

Finding the Fourth Proportional to 3,493.32, 5,239.98 and 1,643.82

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Solution

The fourth proportional to 3,493.32, 5,239.98 and 1,643.82 is: 2,465.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.32 : 5,239.98 = 1,643.82 : x
  2. Step 2: Convert to fraction form
    3,493.32/5,239.98 = 1,643.82/x
  3. Step 3: Cross multiply
    3,493.32x = 5,239.98 × 1,643.82
  4. Step 4: Simplify right side
    3,493.32x = 8,613,583.92
  5. Step 5: Solve for x
    x = 8,613,583.92/3,493.32
  6. Step 6: Final answer
    x = 2,465.73

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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.