Home / 3,341.72-5,012.84-1,394.48

Finding the Fourth Proportional to 3,341.72, 5,012.84 and 1,394.48

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Solution

The fourth proportional to 3,341.72, 5,012.84 and 1,394.48 is: 2,091.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,341.72 : 5,012.84 = 1,394.48 : x
  2. Step 2: Convert to fraction form
    3,341.72/5,012.84 = 1,394.48/x
  3. Step 3: Cross multiply
    3,341.72x = 5,012.84 × 1,394.48
  4. Step 4: Simplify right side
    3,341.72x = 6,990,305.12
  5. Step 5: Solve for x
    x = 6,990,305.12/3,341.72
  6. Step 6: Final answer
    x = 2,091.83

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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.