Home / 2,940.46-4,057.53-1,761.50

Finding the Fourth Proportional to 2,940.46, 4,057.53 and 1,761.50

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Solution

The fourth proportional to 2,940.46, 4,057.53 and 1,761.50 is: 2,430.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.46 : 4,057.53 = 1,761.50 : x
  2. Step 2: Convert to fraction form
    2,940.46/4,057.53 = 1,761.50/x
  3. Step 3: Cross multiply
    2,940.46x = 4,057.53 × 1,761.50
  4. Step 4: Simplify right side
    2,940.46x = 7,147,318.81
  5. Step 5: Solve for x
    x = 7,147,318.81/2,940.46
  6. Step 6: Final answer
    x = 2,430.68

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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.