Home / 1,924.66-2,881.32-1,191.88

Finding the Fourth Proportional to 1,924.66, 2,881.32 and 1,191.88

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Solution

The fourth proportional to 1,924.66, 2,881.32 and 1,191.88 is: 1,784.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.66 : 2,881.32 = 1,191.88 : x
  2. Step 2: Convert to fraction form
    1,924.66/2,881.32 = 1,191.88/x
  3. Step 3: Cross multiply
    1,924.66x = 2,881.32 × 1,191.88
  4. Step 4: Simplify right side
    1,924.66x = 3,434,187.68
  5. Step 5: Solve for x
    x = 3,434,187.68/1,924.66
  6. Step 6: Final answer
    x = 1,784.31

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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.