Home / 3,704.16-5,556.40-1,239.20

Finding the Fourth Proportional to 3,704.16, 5,556.40 and 1,239.20

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Solution

The fourth proportional to 3,704.16, 5,556.40 and 1,239.20 is: 1,858.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,704.16 : 5,556.40 = 1,239.20 : x
  2. Step 2: Convert to fraction form
    3,704.16/5,556.40 = 1,239.20/x
  3. Step 3: Cross multiply
    3,704.16x = 5,556.40 × 1,239.20
  4. Step 4: Simplify right side
    3,704.16x = 6,885,490.88
  5. Step 5: Solve for x
    x = 6,885,490.88/3,704.16
  6. Step 6: Final answer
    x = 1,858.85

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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.