Home / 3,469.14-5,200.50-1,276.20

Finding the Fourth Proportional to 3,469.14, 5,200.50 and 1,276.20

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Solution

The fourth proportional to 3,469.14, 5,200.50 and 1,276.20 is: 1,913.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469.14 : 5,200.50 = 1,276.20 : x
  2. Step 2: Convert to fraction form
    3,469.14/5,200.50 = 1,276.20/x
  3. Step 3: Cross multiply
    3,469.14x = 5,200.50 × 1,276.20
  4. Step 4: Simplify right side
    3,469.14x = 6,636,878.10
  5. Step 5: Solve for x
    x = 6,636,878.10/3,469.14
  6. Step 6: Final answer
    x = 1,913.12

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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.