Home / 3,689.28-5,091.06-2,010.66

Finding the Fourth Proportional to 3,689.28, 5,091.06 and 2,010.66

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Solution

The fourth proportional to 3,689.28, 5,091.06 and 2,010.66 is: 2,774.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.28 : 5,091.06 = 2,010.66 : x
  2. Step 2: Convert to fraction form
    3,689.28/5,091.06 = 2,010.66/x
  3. Step 3: Cross multiply
    3,689.28x = 5,091.06 × 2,010.66
  4. Step 4: Simplify right side
    3,689.28x = 10,236,365.24
  5. Step 5: Solve for x
    x = 10,236,365.24/3,689.28
  6. Step 6: Final answer
    x = 2,774.62

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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.