Home / 3,140.92-4,334.48-1,814.61

Finding the Fourth Proportional to 3,140.92, 4,334.48 and 1,814.61

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Solution

The fourth proportional to 3,140.92, 4,334.48 and 1,814.61 is: 2,504.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.92 : 4,334.48 = 1,814.61 : x
  2. Step 2: Convert to fraction form
    3,140.92/4,334.48 = 1,814.61/x
  3. Step 3: Cross multiply
    3,140.92x = 4,334.48 × 1,814.61
  4. Step 4: Simplify right side
    3,140.92x = 7,865,390.75
  5. Step 5: Solve for x
    x = 7,865,390.75/3,140.92
  6. Step 6: Final answer
    x = 2,504.17

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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.