Home / 3,493.50-5,238.54-1,643.04

Finding the Fourth Proportional to 3,493.50, 5,238.54 and 1,643.04

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Solution

The fourth proportional to 3,493.50, 5,238.54 and 1,643.04 is: 2,463.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.50 : 5,238.54 = 1,643.04 : x
  2. Step 2: Convert to fraction form
    3,493.50/5,238.54 = 1,643.04/x
  3. Step 3: Cross multiply
    3,493.50x = 5,238.54 × 1,643.04
  4. Step 4: Simplify right side
    3,493.50x = 8,607,130.76
  5. Step 5: Solve for x
    x = 8,607,130.76/3,493.50
  6. Step 6: Final answer
    x = 2,463.76

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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.