Home / 1,927.52-2,659.97-1,043.32

Finding the Fourth Proportional to 1,927.52, 2,659.97 and 1,043.32

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Solution

The fourth proportional to 1,927.52, 2,659.97 and 1,043.32 is: 1,439.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.52 : 2,659.97 = 1,043.32 : x
  2. Step 2: Convert to fraction form
    1,927.52/2,659.97 = 1,043.32/x
  3. Step 3: Cross multiply
    1,927.52x = 2,659.97 × 1,043.32
  4. Step 4: Simplify right side
    1,927.52x = 2,775,199.90
  5. Step 5: Solve for x
    x = 2,775,199.90/1,927.52
  6. Step 6: Final answer
    x = 1,439.78

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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.