Home / 2,141.62-3,214.61-1,154.39

Finding the Fourth Proportional to 2,141.62, 3,214.61 and 1,154.39

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Solution

The fourth proportional to 2,141.62, 3,214.61 and 1,154.39 is: 1,732.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141.62 : 3,214.61 = 1,154.39 : x
  2. Step 2: Convert to fraction form
    2,141.62/3,214.61 = 1,154.39/x
  3. Step 3: Cross multiply
    2,141.62x = 3,214.61 × 1,154.39
  4. Step 4: Simplify right side
    2,141.62x = 3,710,907.87
  5. Step 5: Solve for x
    x = 3,710,907.87/2,141.62
  6. Step 6: Final answer
    x = 1,732.76

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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.