Home / 3,394.13-5,091.29-1,085.63

Finding the Fourth Proportional to 3,394.13, 5,091.29 and 1,085.63

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Solution

The fourth proportional to 3,394.13, 5,091.29 and 1,085.63 is: 1,628.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.13 : 5,091.29 = 1,085.63 : x
  2. Step 2: Convert to fraction form
    3,394.13/5,091.29 = 1,085.63/x
  3. Step 3: Cross multiply
    3,394.13x = 5,091.29 × 1,085.63
  4. Step 4: Simplify right side
    3,394.13x = 5,527,257.16
  5. Step 5: Solve for x
    x = 5,527,257.16/3,394.13
  6. Step 6: Final answer
    x = 1,628.48

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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.