Home / 2,422.16-3,631.48-1,836.56

Finding the Fourth Proportional to 2,422.16, 3,631.48 and 1,836.56

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Solution

The fourth proportional to 2,422.16, 3,631.48 and 1,836.56 is: 2,753.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.16 : 3,631.48 = 1,836.56 : x
  2. Step 2: Convert to fraction form
    2,422.16/3,631.48 = 1,836.56/x
  3. Step 3: Cross multiply
    2,422.16x = 3,631.48 × 1,836.56
  4. Step 4: Simplify right side
    2,422.16x = 6,669,430.91
  5. Step 5: Solve for x
    x = 6,669,430.91/2,422.16
  6. Step 6: Final answer
    x = 2,753.51

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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.