Home / 3,704.72-5,557.14-1,239.55

Finding the Fourth Proportional to 3,704.72, 5,557.14 and 1,239.55

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Solution

The fourth proportional to 3,704.72, 5,557.14 and 1,239.55 is: 1,859.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,704.72 : 5,557.14 = 1,239.55 : x
  2. Step 2: Convert to fraction form
    3,704.72/5,557.14 = 1,239.55/x
  3. Step 3: Cross multiply
    3,704.72x = 5,557.14 × 1,239.55
  4. Step 4: Simplify right side
    3,704.72x = 6,888,325.10
  5. Step 5: Solve for x
    x = 6,888,325.10/3,704.72
  6. Step 6: Final answer
    x = 1,859.34

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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.