Home / 1,850.88-2,552.79-1,291.17

Finding the Fourth Proportional to 1,850.88, 2,552.79 and 1,291.17

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Solution

The fourth proportional to 1,850.88, 2,552.79 and 1,291.17 is: 1,780.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.88 : 2,552.79 = 1,291.17 : x
  2. Step 2: Convert to fraction form
    1,850.88/2,552.79 = 1,291.17/x
  3. Step 3: Cross multiply
    1,850.88x = 2,552.79 × 1,291.17
  4. Step 4: Simplify right side
    1,850.88x = 3,296,085.86
  5. Step 5: Solve for x
    x = 3,296,085.86/1,850.88
  6. Step 6: Final answer
    x = 1,780.82

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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.