Home / 3,493.79-5,239.57-1,153.35

Finding the Fourth Proportional to 3,493.79, 5,239.57 and 1,153.35

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Solution

The fourth proportional to 3,493.79, 5,239.57 and 1,153.35 is: 1,729.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.79 : 5,239.57 = 1,153.35 : x
  2. Step 2: Convert to fraction form
    3,493.79/5,239.57 = 1,153.35/x
  3. Step 3: Cross multiply
    3,493.79x = 5,239.57 × 1,153.35
  4. Step 4: Simplify right side
    3,493.79x = 6,043,052.29
  5. Step 5: Solve for x
    x = 6,043,052.29/3,493.79
  6. Step 6: Final answer
    x = 1,729.66

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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.