Home / 3,704.80-5,557.92-1,107.76

Finding the Fourth Proportional to 3,704.80, 5,557.92 and 1,107.76

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Solution

The fourth proportional to 3,704.80, 5,557.92 and 1,107.76 is: 1,661.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,704.80 : 5,557.92 = 1,107.76 : x
  2. Step 2: Convert to fraction form
    3,704.80/5,557.92 = 1,107.76/x
  3. Step 3: Cross multiply
    3,704.80x = 5,557.92 × 1,107.76
  4. Step 4: Simplify right side
    3,704.80x = 6,156,841.46
  5. Step 5: Solve for x
    x = 6,156,841.46/3,704.80
  6. Step 6: Final answer
    x = 1,661.86

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1.5x scale

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.