Home / 1,293.59-1,942.68-1,190.63

Finding the Fourth Proportional to 1,293.59, 1,942.68 and 1,190.63

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Solution

The fourth proportional to 1,293.59, 1,942.68 and 1,190.63 is: 1,788.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293.59 : 1,942.68 = 1,190.63 : x
  2. Step 2: Convert to fraction form
    1,293.59/1,942.68 = 1,190.63/x
  3. Step 3: Cross multiply
    1,293.59x = 1,942.68 × 1,190.63
  4. Step 4: Simplify right side
    1,293.59x = 2,313,013.09
  5. Step 5: Solve for x
    x = 2,313,013.09/1,293.59
  6. Step 6: Final answer
    x = 1,788.06

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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.