Home / 1,546.23-2,319.36-391.98

Finding the Fourth Proportional to 1,546.23, 2,319.36 and 391.98

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Solution

The fourth proportional to 1,546.23, 2,319.36 and 391.98 is: 587.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.23 : 2,319.36 = 391.98 : x
  2. Step 2: Convert to fraction form
    1,546.23/2,319.36 = 391.98/x
  3. Step 3: Cross multiply
    1,546.23x = 2,319.36 × 391.98
  4. Step 4: Simplify right side
    1,546.23x = 909,142.73
  5. Step 5: Solve for x
    x = 909,142.73/1,546.23
  6. Step 6: Final answer
    x = 587.97

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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.