Home / 3,541.88-5,311.27-1,785.80

Finding the Fourth Proportional to 3,541.88, 5,311.27 and 1,785.80

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Solution

The fourth proportional to 3,541.88, 5,311.27 and 1,785.80 is: 2,677.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.88 : 5,311.27 = 1,785.80 : x
  2. Step 2: Convert to fraction form
    3,541.88/5,311.27 = 1,785.80/x
  3. Step 3: Cross multiply
    3,541.88x = 5,311.27 × 1,785.80
  4. Step 4: Simplify right side
    3,541.88x = 9,484,865.97
  5. Step 5: Solve for x
    x = 9,484,865.97/3,541.88
  6. Step 6: Final answer
    x = 2,677.92

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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.