Home / 2,601.30-3,589.82-1,422.39

Finding the Fourth Proportional to 2,601.30, 3,589.82 and 1,422.39

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Solution

The fourth proportional to 2,601.30, 3,589.82 and 1,422.39 is: 1,962.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,601.30 : 3,589.82 = 1,422.39 : x
  2. Step 2: Convert to fraction form
    2,601.30/3,589.82 = 1,422.39/x
  3. Step 3: Cross multiply
    2,601.30x = 3,589.82 × 1,422.39
  4. Step 4: Simplify right side
    2,601.30x = 5,106,124.07
  5. Step 5: Solve for x
    x = 5,106,124.07/2,601.30
  6. Step 6: Final answer
    x = 1,962.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.