Home / 3,450.47-4,761.50-1,958.36

Finding the Fourth Proportional to 3,450.47, 4,761.50 and 1,958.36

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Solution

The fourth proportional to 3,450.47, 4,761.50 and 1,958.36 is: 2,702.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.47 : 4,761.50 = 1,958.36 : x
  2. Step 2: Convert to fraction form
    3,450.47/4,761.50 = 1,958.36/x
  3. Step 3: Cross multiply
    3,450.47x = 4,761.50 × 1,958.36
  4. Step 4: Simplify right side
    3,450.47x = 9,324,731.14
  5. Step 5: Solve for x
    x = 9,324,731.14/3,450.47
  6. Step 6: Final answer
    x = 2,702.45

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1.5x scale

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.