Home / 3,704.28-5,555.88-1,239.05

Finding the Fourth Proportional to 3,704.28, 5,555.88 and 1,239.05

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Solution

The fourth proportional to 3,704.28, 5,555.88 and 1,239.05 is: 1,858.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,704.28 : 5,555.88 = 1,239.05 : x
  2. Step 2: Convert to fraction form
    3,704.28/5,555.88 = 1,239.05/x
  3. Step 3: Cross multiply
    3,704.28x = 5,555.88 × 1,239.05
  4. Step 4: Simplify right side
    3,704.28x = 6,883,985.33
  5. Step 5: Solve for x
    x = 6,883,985.33/3,704.28
  6. Step 6: Final answer
    x = 1,858.39

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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.