Home / 1,364.04-2,046.26-486.41

Finding the Fourth Proportional to 1,364.04, 2,046.26 and 486.41

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Solution

The fourth proportional to 1,364.04, 2,046.26 and 486.41 is: 729.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364.04 : 2,046.26 = 486.41 : x
  2. Step 2: Convert to fraction form
    1,364.04/2,046.26 = 486.41/x
  3. Step 3: Cross multiply
    1,364.04x = 2,046.26 × 486.41
  4. Step 4: Simplify right side
    1,364.04x = 995,312.31
  5. Step 5: Solve for x
    x = 995,312.31/1,364.04
  6. Step 6: Final answer
    x = 729.68

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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.