Home / 2,644.23-3,960.95-1,253.35

Finding the Fourth Proportional to 2,644.23, 3,960.95 and 1,253.35

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Solution

The fourth proportional to 2,644.23, 3,960.95 and 1,253.35 is: 1,877.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,644.23 : 3,960.95 = 1,253.35 : x
  2. Step 2: Convert to fraction form
    2,644.23/3,960.95 = 1,253.35/x
  3. Step 3: Cross multiply
    2,644.23x = 3,960.95 × 1,253.35
  4. Step 4: Simplify right side
    2,644.23x = 4,964,456.68
  5. Step 5: Solve for x
    x = 4,964,456.68/2,644.23
  6. Step 6: Final answer
    x = 1,877.47

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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.