Home / 1,901.57-2,850.39-926.46

Finding the Fourth Proportional to 1,901.57, 2,850.39 and 926.46

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Solution

The fourth proportional to 1,901.57, 2,850.39 and 926.46 is: 1,388.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901.57 : 2,850.39 = 926.46 : x
  2. Step 2: Convert to fraction form
    1,901.57/2,850.39 = 926.46/x
  3. Step 3: Cross multiply
    1,901.57x = 2,850.39 × 926.46
  4. Step 4: Simplify right side
    1,901.57x = 2,640,772.32
  5. Step 5: Solve for x
    x = 2,640,772.32/1,901.57
  6. Step 6: Final answer
    x = 1,388.74

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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.