Home / 2,579.35-3,867.27-1,191.93

Finding the Fourth Proportional to 2,579.35, 3,867.27 and 1,191.93

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Solution

The fourth proportional to 2,579.35, 3,867.27 and 1,191.93 is: 1,787.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.35 : 3,867.27 = 1,191.93 : x
  2. Step 2: Convert to fraction form
    2,579.35/3,867.27 = 1,191.93/x
  3. Step 3: Cross multiply
    2,579.35x = 3,867.27 × 1,191.93
  4. Step 4: Simplify right side
    2,579.35x = 4,609,515.13
  5. Step 5: Solve for x
    x = 4,609,515.13/2,579.35
  6. Step 6: Final answer
    x = 1,787.08

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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.