Home / 3,140.54-4,333.91-1,814.66

Finding the Fourth Proportional to 3,140.54, 4,333.91 and 1,814.66

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Solution

The fourth proportional to 3,140.54, 4,333.91 and 1,814.66 is: 2,504.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.54 : 4,333.91 = 1,814.66 : x
  2. Step 2: Convert to fraction form
    3,140.54/4,333.91 = 1,814.66/x
  3. Step 3: Cross multiply
    3,140.54x = 4,333.91 × 1,814.66
  4. Step 4: Simplify right side
    3,140.54x = 7,864,573.12
  5. Step 5: Solve for x
    x = 7,864,573.12/3,140.54
  6. Step 6: Final answer
    x = 2,504.21

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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.