Home / 3,144.31-4,339.93-1,817.82

Finding the Fourth Proportional to 3,144.31, 4,339.93 and 1,817.82

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Solution

The fourth proportional to 3,144.31, 4,339.93 and 1,817.82 is: 2,509.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.31 : 4,339.93 = 1,817.82 : x
  2. Step 2: Convert to fraction form
    3,144.31/4,339.93 = 1,817.82/x
  3. Step 3: Cross multiply
    3,144.31x = 4,339.93 × 1,817.82
  4. Step 4: Simplify right side
    3,144.31x = 7,889,207.01
  5. Step 5: Solve for x
    x = 7,889,207.01/3,144.31
  6. Step 6: Final answer
    x = 2,509.04

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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.