Home / 2,324.20-3,486.12-1,091.88

Finding the Fourth Proportional to 2,324.20, 3,486.12 and 1,091.88

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Solution

The fourth proportional to 2,324.20, 3,486.12 and 1,091.88 is: 1,637.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,324.20 : 3,486.12 = 1,091.88 : x
  2. Step 2: Convert to fraction form
    2,324.20/3,486.12 = 1,091.88/x
  3. Step 3: Cross multiply
    2,324.20x = 3,486.12 × 1,091.88
  4. Step 4: Simplify right side
    2,324.20x = 3,806,424.71
  5. Step 5: Solve for x
    x = 3,806,424.71/2,324.20
  6. Step 6: Final answer
    x = 1,637.74

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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.