Home / 3,704.55-5,557.38-1,238.91

Finding the Fourth Proportional to 3,704.55, 5,557.38 and 1,238.91

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Solution

The fourth proportional to 3,704.55, 5,557.38 and 1,238.91 is: 1,858.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,704.55 : 5,557.38 = 1,238.91 : x
  2. Step 2: Convert to fraction form
    3,704.55/5,557.38 = 1,238.91/x
  3. Step 3: Cross multiply
    3,704.55x = 5,557.38 × 1,238.91
  4. Step 4: Simplify right side
    3,704.55x = 6,885,093.66
  5. Step 5: Solve for x
    x = 6,885,093.66/3,704.55
  6. Step 6: Final answer
    x = 1,858.55

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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.