Home / 3,704.38-5,555.34-1,238.46

Finding the Fourth Proportional to 3,704.38, 5,555.34 and 1,238.46

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Solution

The fourth proportional to 3,704.38, 5,555.34 and 1,238.46 is: 1,857.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,704.38 : 5,555.34 = 1,238.46 : x
  2. Step 2: Convert to fraction form
    3,704.38/5,555.34 = 1,238.46/x
  3. Step 3: Cross multiply
    3,704.38x = 5,555.34 × 1,238.46
  4. Step 4: Simplify right side
    3,704.38x = 6,880,066.38
  5. Step 5: Solve for x
    x = 6,880,066.38/3,704.38
  6. Step 6: Final answer
    x = 1,857.28

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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.