Home / 2,736.68-4,106.61-1,155.30

Finding the Fourth Proportional to 2,736.68, 4,106.61 and 1,155.30

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Solution

The fourth proportional to 2,736.68, 4,106.61 and 1,155.30 is: 1,733.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736.68 : 4,106.61 = 1,155.30 : x
  2. Step 2: Convert to fraction form
    2,736.68/4,106.61 = 1,155.30/x
  3. Step 3: Cross multiply
    2,736.68x = 4,106.61 × 1,155.30
  4. Step 4: Simplify right side
    2,736.68x = 4,744,366.53
  5. Step 5: Solve for x
    x = 4,744,366.53/2,736.68
  6. Step 6: Final answer
    x = 1,733.62

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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.