Home / 3,546.55-5,320.19-1,357.12

Finding the Fourth Proportional to 3,546.55, 5,320.19 and 1,357.12

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Solution

The fourth proportional to 3,546.55, 5,320.19 and 1,357.12 is: 2,035.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546.55 : 5,320.19 = 1,357.12 : x
  2. Step 2: Convert to fraction form
    3,546.55/5,320.19 = 1,357.12/x
  3. Step 3: Cross multiply
    3,546.55x = 5,320.19 × 1,357.12
  4. Step 4: Simplify right side
    3,546.55x = 7,220,136.25
  5. Step 5: Solve for x
    x = 7,220,136.25/3,546.55
  6. Step 6: Final answer
    x = 2,035.82

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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.