Home / 1,193.10-1,788.92-1,091.24

Finding the Fourth Proportional to 1,193.10, 1,788.92 and 1,091.24

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Solution

The fourth proportional to 1,193.10, 1,788.92 and 1,091.24 is: 1,636.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.10 : 1,788.92 = 1,091.24 : x
  2. Step 2: Convert to fraction form
    1,193.10/1,788.92 = 1,091.24/x
  3. Step 3: Cross multiply
    1,193.10x = 1,788.92 × 1,091.24
  4. Step 4: Simplify right side
    1,193.10x = 1,952,141.06
  5. Step 5: Solve for x
    x = 1,952,141.06/1,193.10
  6. Step 6: Final answer
    x = 1,636.19

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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.