Home / 1,293.59-1,930.44-1,155.19

Finding the Fourth Proportional to 1,293.59, 1,930.44 and 1,155.19

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Solution

The fourth proportional to 1,293.59, 1,930.44 and 1,155.19 is: 1,723.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293.59 : 1,930.44 = 1,155.19 : x
  2. Step 2: Convert to fraction form
    1,293.59/1,930.44 = 1,155.19/x
  3. Step 3: Cross multiply
    1,293.59x = 1,930.44 × 1,155.19
  4. Step 4: Simplify right side
    1,293.59x = 2,230,015.33
  5. Step 5: Solve for x
    x = 2,230,015.33/1,293.59
  6. Step 6: Final answer
    x = 1,723.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.