Home / 3,504.10-5,255.55-1,311.70

Finding the Fourth Proportional to 3,504.10, 5,255.55 and 1,311.70

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Solution

The fourth proportional to 3,504.10, 5,255.55 and 1,311.70 is: 1,967.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504.10 : 5,255.55 = 1,311.70 : x
  2. Step 2: Convert to fraction form
    3,504.10/5,255.55 = 1,311.70/x
  3. Step 3: Cross multiply
    3,504.10x = 5,255.55 × 1,311.70
  4. Step 4: Simplify right side
    3,504.10x = 6,893,704.94
  5. Step 5: Solve for x
    x = 6,893,704.94/3,504.10
  6. Step 6: Final answer
    x = 1,967.33

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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.