Home / 3,469.21-5,201.08-1,276.74

Finding the Fourth Proportional to 3,469.21, 5,201.08 and 1,276.74

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Solution

The fourth proportional to 3,469.21, 5,201.08 and 1,276.74 is: 1,914.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469.21 : 5,201.08 = 1,276.74 : x
  2. Step 2: Convert to fraction form
    3,469.21/5,201.08 = 1,276.74/x
  3. Step 3: Cross multiply
    3,469.21x = 5,201.08 × 1,276.74
  4. Step 4: Simplify right side
    3,469.21x = 6,640,423.69
  5. Step 5: Solve for x
    x = 6,640,423.69/3,469.21
  6. Step 6: Final answer
    x = 1,914.10

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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.