Home / 2,672.44-4,009.52-1,285.88

Finding the Fourth Proportional to 2,672.44, 4,009.52 and 1,285.88

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Solution

The fourth proportional to 2,672.44, 4,009.52 and 1,285.88 is: 1,929.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.44 : 4,009.52 = 1,285.88 : x
  2. Step 2: Convert to fraction form
    2,672.44/4,009.52 = 1,285.88/x
  3. Step 3: Cross multiply
    2,672.44x = 4,009.52 × 1,285.88
  4. Step 4: Simplify right side
    2,672.44x = 5,155,774.82
  5. Step 5: Solve for x
    x = 5,155,774.82/2,672.44
  6. Step 6: Final answer
    x = 1,929.24

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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.