Home / 1,927.43-2,659.83-1,043.22

Finding the Fourth Proportional to 1,927.43, 2,659.83 and 1,043.22

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Solution

The fourth proportional to 1,927.43, 2,659.83 and 1,043.22 is: 1,439.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.43 : 2,659.83 = 1,043.22 : x
  2. Step 2: Convert to fraction form
    1,927.43/2,659.83 = 1,043.22/x
  3. Step 3: Cross multiply
    1,927.43x = 2,659.83 × 1,043.22
  4. Step 4: Simplify right side
    1,927.43x = 2,774,787.85
  5. Step 5: Solve for x
    x = 2,774,787.85/1,927.43
  6. Step 6: Final answer
    x = 1,439.63

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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.