Home / 1,926.65-2,657.41-1,180.96

Finding the Fourth Proportional to 1,926.65, 2,657.41 and 1,180.96

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Solution

The fourth proportional to 1,926.65, 2,657.41 and 1,180.96 is: 1,628.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.65 : 2,657.41 = 1,180.96 : x
  2. Step 2: Convert to fraction form
    1,926.65/2,657.41 = 1,180.96/x
  3. Step 3: Cross multiply
    1,926.65x = 2,657.41 × 1,180.96
  4. Step 4: Simplify right side
    1,926.65x = 3,138,306.91
  5. Step 5: Solve for x
    x = 3,138,306.91/1,926.65
  6. Step 6: Final answer
    x = 1,628.90

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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.