Home / 2,159.04-3,234.24-1,292.88

Finding the Fourth Proportional to 2,159.04, 3,234.24 and 1,292.88

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Solution

The fourth proportional to 2,159.04, 3,234.24 and 1,292.88 is: 1,936.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159.04 : 3,234.24 = 1,292.88 : x
  2. Step 2: Convert to fraction form
    2,159.04/3,234.24 = 1,292.88/x
  3. Step 3: Cross multiply
    2,159.04x = 3,234.24 × 1,292.88
  4. Step 4: Simplify right side
    2,159.04x = 4,181,484.21
  5. Step 5: Solve for x
    x = 4,181,484.21/2,159.04
  6. Step 6: Final answer
    x = 1,936.73

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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.