Home / 2,736.13-4,104.20-684.13

Finding the Fourth Proportional to 2,736.13, 4,104.20 and 684.13

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Solution

The fourth proportional to 2,736.13, 4,104.20 and 684.13 is: 1,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736.13 : 4,104.20 = 684.13 : x
  2. Step 2: Convert to fraction form
    2,736.13/4,104.20 = 684.13/x
  3. Step 3: Cross multiply
    2,736.13x = 4,104.20 × 684.13
  4. Step 4: Simplify right side
    2,736.13x = 2,807,806.35
  5. Step 5: Solve for x
    x = 2,807,806.35/2,736.13
  6. Step 6: Final answer
    x = 1,026.20

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1.5x scale

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.