Home / 2,469.46-3,407.80-1,350.40

Finding the Fourth Proportional to 2,469.46, 3,407.80 and 1,350.40

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Solution

The fourth proportional to 2,469.46, 3,407.80 and 1,350.40 is: 1,863.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,469.46 : 3,407.80 = 1,350.40 : x
  2. Step 2: Convert to fraction form
    2,469.46/3,407.80 = 1,350.40/x
  3. Step 3: Cross multiply
    2,469.46x = 3,407.80 × 1,350.40
  4. Step 4: Simplify right side
    2,469.46x = 4,601,893.12
  5. Step 5: Solve for x
    x = 4,601,893.12/2,469.46
  6. Step 6: Final answer
    x = 1,863.52

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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.