Home / 2,515.68-3,773.79-1,054.98

Finding the Fourth Proportional to 2,515.68, 3,773.79 and 1,054.98

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Solution

The fourth proportional to 2,515.68, 3,773.79 and 1,054.98 is: 1,582.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515.68 : 3,773.79 = 1,054.98 : x
  2. Step 2: Convert to fraction form
    2,515.68/3,773.79 = 1,054.98/x
  3. Step 3: Cross multiply
    2,515.68x = 3,773.79 × 1,054.98
  4. Step 4: Simplify right side
    2,515.68x = 3,981,272.97
  5. Step 5: Solve for x
    x = 3,981,272.97/2,515.68
  6. Step 6: Final answer
    x = 1,582.58

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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.