Home / 1,364.23-2,046.60-486.75

Finding the Fourth Proportional to 1,364.23, 2,046.60 and 486.75

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Solution

The fourth proportional to 1,364.23, 2,046.60 and 486.75 is: 730.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364.23 : 2,046.60 = 486.75 : x
  2. Step 2: Convert to fraction form
    1,364.23/2,046.60 = 486.75/x
  3. Step 3: Cross multiply
    1,364.23x = 2,046.60 × 486.75
  4. Step 4: Simplify right side
    1,364.23x = 996,182.55
  5. Step 5: Solve for x
    x = 996,182.55/1,364.23
  6. Step 6: Final answer
    x = 730.22

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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.