Home / 3,451.36-5,175.20-1,803.92

Finding the Fourth Proportional to 3,451.36, 5,175.20 and 1,803.92

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Solution

The fourth proportional to 3,451.36, 5,175.20 and 1,803.92 is: 2,704.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.36 : 5,175.20 = 1,803.92 : x
  2. Step 2: Convert to fraction form
    3,451.36/5,175.20 = 1,803.92/x
  3. Step 3: Cross multiply
    3,451.36x = 5,175.20 × 1,803.92
  4. Step 4: Simplify right side
    3,451.36x = 9,335,646.78
  5. Step 5: Solve for x
    x = 9,335,646.78/3,451.36
  6. Step 6: Final answer
    x = 2,704.92

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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.