Home / 1,930.22-2,663.99-1,091.27

Finding the Fourth Proportional to 1,930.22, 2,663.99 and 1,091.27

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Solution

The fourth proportional to 1,930.22, 2,663.99 and 1,091.27 is: 1,506.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.22 : 2,663.99 = 1,091.27 : x
  2. Step 2: Convert to fraction form
    1,930.22/2,663.99 = 1,091.27/x
  3. Step 3: Cross multiply
    1,930.22x = 2,663.99 × 1,091.27
  4. Step 4: Simplify right side
    1,930.22x = 2,907,113.59
  5. Step 5: Solve for x
    x = 2,907,113.59/1,930.22
  6. Step 6: Final answer
    x = 1,506.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.