Home / 3,558.60-5,329.80-1,825.20

Finding the Fourth Proportional to 3,558.60, 5,329.80 and 1,825.20

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Solution

The fourth proportional to 3,558.60, 5,329.80 and 1,825.20 is: 2,733.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.60 : 5,329.80 = 1,825.20 : x
  2. Step 2: Convert to fraction form
    3,558.60/5,329.80 = 1,825.20/x
  3. Step 3: Cross multiply
    3,558.60x = 5,329.80 × 1,825.20
  4. Step 4: Simplify right side
    3,558.60x = 9,727,950.96
  5. Step 5: Solve for x
    x = 9,727,950.96/3,558.60
  6. Step 6: Final answer
    x = 2,733.65

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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.