Home / 3,466.26-5,199.38-1,387.20

Finding the Fourth Proportional to 3,466.26, 5,199.38 and 1,387.20

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Solution

The fourth proportional to 3,466.26, 5,199.38 and 1,387.20 is: 2,080.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,466.26 : 5,199.38 = 1,387.20 : x
  2. Step 2: Convert to fraction form
    3,466.26/5,199.38 = 1,387.20/x
  3. Step 3: Cross multiply
    3,466.26x = 5,199.38 × 1,387.20
  4. Step 4: Simplify right side
    3,466.26x = 7,212,579.94
  5. Step 5: Solve for x
    x = 7,212,579.94/3,466.26
  6. Step 6: Final answer
    x = 2,080.80

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Similar ratio
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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.