Home / 1,601.12-2,400.71-1,342.73

Finding the Fourth Proportional to 1,601.12, 2,400.71 and 1,342.73

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Solution

The fourth proportional to 1,601.12, 2,400.71 and 1,342.73 is: 2,013.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601.12 : 2,400.71 = 1,342.73 : x
  2. Step 2: Convert to fraction form
    1,601.12/2,400.71 = 1,342.73/x
  3. Step 3: Cross multiply
    1,601.12x = 2,400.71 × 1,342.73
  4. Step 4: Simplify right side
    1,601.12x = 3,223,486.62
  5. Step 5: Solve for x
    x = 3,223,486.62/1,601.12
  6. Step 6: Final answer
    x = 2,013.28

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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.