Home / 3,143.84-4,711.70-1,292.82

Finding the Fourth Proportional to 3,143.84, 4,711.70 and 1,292.82

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Solution

The fourth proportional to 3,143.84, 4,711.70 and 1,292.82 is: 1,937.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.84 : 4,711.70 = 1,292.82 : x
  2. Step 2: Convert to fraction form
    3,143.84/4,711.70 = 1,292.82/x
  3. Step 3: Cross multiply
    3,143.84x = 4,711.70 × 1,292.82
  4. Step 4: Simplify right side
    3,143.84x = 6,091,379.99
  5. Step 5: Solve for x
    x = 6,091,379.99/3,143.84
  6. Step 6: Final answer
    x = 1,937.56

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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.