Home / 3,710.60-5,562.30-3,321.80

Finding the Fourth Proportional to 3,710.60, 5,562.30 and 3,321.80

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Solution

The fourth proportional to 3,710.60, 5,562.30 and 3,321.80 is: 4,979.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.60 : 5,562.30 = 3,321.80 : x
  2. Step 2: Convert to fraction form
    3,710.60/5,562.30 = 3,321.80/x
  3. Step 3: Cross multiply
    3,710.60x = 5,562.30 × 3,321.80
  4. Step 4: Simplify right side
    3,710.60x = 18,476,848.14
  5. Step 5: Solve for x
    x = 18,476,848.14/3,710.60
  6. Step 6: Final answer
    x = 4,979.48

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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.