Home / 3,689.13-5,091.03-2,010.54

Finding the Fourth Proportional to 3,689.13, 5,091.03 and 2,010.54

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Solution

The fourth proportional to 3,689.13, 5,091.03 and 2,010.54 is: 2,774.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.13 : 5,091.03 = 2,010.54 : x
  2. Step 2: Convert to fraction form
    3,689.13/5,091.03 = 2,010.54/x
  3. Step 3: Cross multiply
    3,689.13x = 5,091.03 × 2,010.54
  4. Step 4: Simplify right side
    3,689.13x = 10,235,688.97
  5. Step 5: Solve for x
    x = 10,235,688.97/3,689.13
  6. Step 6: Final answer
    x = 2,774.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.