Home / 1,631.58-2,251.71-1,042.62

Finding the Fourth Proportional to 1,631.58, 2,251.71 and 1,042.62

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Solution

The fourth proportional to 1,631.58, 2,251.71 and 1,042.62 is: 1,438.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.58 : 2,251.71 = 1,042.62 : x
  2. Step 2: Convert to fraction form
    1,631.58/2,251.71 = 1,042.62/x
  3. Step 3: Cross multiply
    1,631.58x = 2,251.71 × 1,042.62
  4. Step 4: Simplify right side
    1,631.58x = 2,347,677.88
  5. Step 5: Solve for x
    x = 2,347,677.88/1,631.58
  6. Step 6: Final answer
    x = 1,438.90

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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.