Home / 1,946.40-2,689.92-1,450.68

Finding the Fourth Proportional to 1,946.40, 2,689.92 and 1,450.68

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Solution

The fourth proportional to 1,946.40, 2,689.92 and 1,450.68 is: 2,004.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.40 : 2,689.92 = 1,450.68 : x
  2. Step 2: Convert to fraction form
    1,946.40/2,689.92 = 1,450.68/x
  3. Step 3: Cross multiply
    1,946.40x = 2,689.92 × 1,450.68
  4. Step 4: Simplify right side
    1,946.40x = 3,902,213.15
  5. Step 5: Solve for x
    x = 3,902,213.15/1,946.40
  6. Step 6: Final answer
    x = 2,004.84

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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.