Home / 3,620.71-5,429.66-1,541.69

Finding the Fourth Proportional to 3,620.71, 5,429.66 and 1,541.69

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Solution

The fourth proportional to 3,620.71, 5,429.66 and 1,541.69 is: 2,311.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.71 : 5,429.66 = 1,541.69 : x
  2. Step 2: Convert to fraction form
    3,620.71/5,429.66 = 1,541.69/x
  3. Step 3: Cross multiply
    3,620.71x = 5,429.66 × 1,541.69
  4. Step 4: Simplify right side
    3,620.71x = 8,370,869.95
  5. Step 5: Solve for x
    x = 8,370,869.95/3,620.71
  6. Step 6: Final answer
    x = 2,311.94

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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.