Home / 3,629.58-5,442.35-1,776.71

Finding the Fourth Proportional to 3,629.58, 5,442.35 and 1,776.71

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Solution

The fourth proportional to 3,629.58, 5,442.35 and 1,776.71 is: 2,664.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.58 : 5,442.35 = 1,776.71 : x
  2. Step 2: Convert to fraction form
    3,629.58/5,442.35 = 1,776.71/x
  3. Step 3: Cross multiply
    3,629.58x = 5,442.35 × 1,776.71
  4. Step 4: Simplify right side
    3,629.58x = 9,669,441.57
  5. Step 5: Solve for x
    x = 9,669,441.57/3,629.58
  6. Step 6: Final answer
    x = 2,664.07

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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.