Home / 1,631.79-2,447.69-1,622.88

Finding the Fourth Proportional to 1,631.79, 2,447.69 and 1,622.88

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Solution

The fourth proportional to 1,631.79, 2,447.69 and 1,622.88 is: 2,434.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.79 : 2,447.69 = 1,622.88 : x
  2. Step 2: Convert to fraction form
    1,631.79/2,447.69 = 1,622.88/x
  3. Step 3: Cross multiply
    1,631.79x = 2,447.69 × 1,622.88
  4. Step 4: Simplify right side
    1,631.79x = 3,972,299.03
  5. Step 5: Solve for x
    x = 3,972,299.03/1,631.79
  6. Step 6: Final answer
    x = 2,434.32

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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.