Home / 2,616.25-3,924.54-1,155.41

Finding the Fourth Proportional to 2,616.25, 3,924.54 and 1,155.41

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Solution

The fourth proportional to 2,616.25, 3,924.54 and 1,155.41 is: 1,733.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616.25 : 3,924.54 = 1,155.41 : x
  2. Step 2: Convert to fraction form
    2,616.25/3,924.54 = 1,155.41/x
  3. Step 3: Cross multiply
    2,616.25x = 3,924.54 × 1,155.41
  4. Step 4: Simplify right side
    2,616.25x = 4,534,452.76
  5. Step 5: Solve for x
    x = 4,534,452.76/2,616.25
  6. Step 6: Final answer
    x = 1,733.19

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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.