Home / 3,450.28-5,175.84-1,141.72

Finding the Fourth Proportional to 3,450.28, 5,175.84 and 1,141.72

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Solution

The fourth proportional to 3,450.28, 5,175.84 and 1,141.72 is: 1,712.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.28 : 5,175.84 = 1,141.72 : x
  2. Step 2: Convert to fraction form
    3,450.28/5,175.84 = 1,141.72/x
  3. Step 3: Cross multiply
    3,450.28x = 5,175.84 × 1,141.72
  4. Step 4: Simplify right side
    3,450.28x = 5,909,360.04
  5. Step 5: Solve for x
    x = 5,909,360.04/3,450.28
  6. Step 6: Final answer
    x = 1,712.72

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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.