Home / 1,622.52-2,433.78-927.48

Finding the Fourth Proportional to 1,622.52, 2,433.78 and 927.48

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Solution

The fourth proportional to 1,622.52, 2,433.78 and 927.48 is: 1,391.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.52 : 2,433.78 = 927.48 : x
  2. Step 2: Convert to fraction form
    1,622.52/2,433.78 = 927.48/x
  3. Step 3: Cross multiply
    1,622.52x = 2,433.78 × 927.48
  4. Step 4: Simplify right side
    1,622.52x = 2,257,282.27
  5. Step 5: Solve for x
    x = 2,257,282.27/1,622.52
  6. Step 6: Final answer
    x = 1,391.22

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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.