Home / 3,450.10-4,761-1,958.34

Finding the Fourth Proportional to 3,450.10, 4,761 and 1,958.34

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Solution

The fourth proportional to 3,450.10, 4,761 and 1,958.34 is: 2,702.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.10 : 4,761 = 1,958.34 : x
  2. Step 2: Convert to fraction form
    3,450.10/4,761 = 1,958.34/x
  3. Step 3: Cross multiply
    3,450.10x = 4,761 × 1,958.34
  4. Step 4: Simplify right side
    3,450.10x = 9,323,656.74
  5. Step 5: Solve for x
    x = 9,323,656.74/3,450.10
  6. Step 6: Final answer
    x = 2,702.43

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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.