Home / 2,375.49-3,563.73-1,280.91

Finding the Fourth Proportional to 2,375.49, 3,563.73 and 1,280.91

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Solution

The fourth proportional to 2,375.49, 3,563.73 and 1,280.91 is: 1,921.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375.49 : 3,563.73 = 1,280.91 : x
  2. Step 2: Convert to fraction form
    2,375.49/3,563.73 = 1,280.91/x
  3. Step 3: Cross multiply
    2,375.49x = 3,563.73 × 1,280.91
  4. Step 4: Simplify right side
    2,375.49x = 4,564,817.39
  5. Step 5: Solve for x
    x = 4,564,817.39/2,375.49
  6. Step 6: Final answer
    x = 1,921.63

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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.