Home / 3,450.25-5,175.65-1,141.75

Finding the Fourth Proportional to 3,450.25, 5,175.65 and 1,141.75

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Solution

The fourth proportional to 3,450.25, 5,175.65 and 1,141.75 is: 1,712.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.25 : 5,175.65 = 1,141.75 : x
  2. Step 2: Convert to fraction form
    3,450.25/5,175.65 = 1,141.75/x
  3. Step 3: Cross multiply
    3,450.25x = 5,175.65 × 1,141.75
  4. Step 4: Simplify right side
    3,450.25x = 5,909,298.39
  5. Step 5: Solve for x
    x = 5,909,298.39/3,450.25
  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.