Home / 2,159.65-3,237.02-926.43

Finding the Fourth Proportional to 2,159.65, 3,237.02 and 926.43

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Solution

The fourth proportional to 2,159.65, 3,237.02 and 926.43 is: 1,388.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159.65 : 3,237.02 = 926.43 : x
  2. Step 2: Convert to fraction form
    2,159.65/3,237.02 = 926.43/x
  3. Step 3: Cross multiply
    2,159.65x = 3,237.02 × 926.43
  4. Step 4: Simplify right side
    2,159.65x = 2,998,872.44
  5. Step 5: Solve for x
    x = 2,998,872.44/2,159.65
  6. Step 6: Final answer
    x = 1,388.59

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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.