Home / 2,685.43-4,026.21-1,935.37

Finding the Fourth Proportional to 2,685.43, 4,026.21 and 1,935.37

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Solution

The fourth proportional to 2,685.43, 4,026.21 and 1,935.37 is: 2,901.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.43 : 4,026.21 = 1,935.37 : x
  2. Step 2: Convert to fraction form
    2,685.43/4,026.21 = 1,935.37/x
  3. Step 3: Cross multiply
    2,685.43x = 4,026.21 × 1,935.37
  4. Step 4: Simplify right side
    2,685.43x = 7,792,206.05
  5. Step 5: Solve for x
    x = 7,792,206.05/2,685.43
  6. Step 6: Final answer
    x = 2,901.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.