Home / 1,631.72-2,447.58-1,604.18

Finding the Fourth Proportional to 1,631.72, 2,447.58 and 1,604.18

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Solution

The fourth proportional to 1,631.72, 2,447.58 and 1,604.18 is: 2,406.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.72 : 2,447.58 = 1,604.18 : x
  2. Step 2: Convert to fraction form
    1,631.72/2,447.58 = 1,604.18/x
  3. Step 3: Cross multiply
    1,631.72x = 2,447.58 × 1,604.18
  4. Step 4: Simplify right side
    1,631.72x = 3,926,358.88
  5. Step 5: Solve for x
    x = 3,926,358.88/1,631.72
  6. Step 6: Final answer
    x = 2,406.27

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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.