Home / 1,786.17-2,679.32-1,583.27

Finding the Fourth Proportional to 1,786.17, 2,679.32 and 1,583.27

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Solution

The fourth proportional to 1,786.17, 2,679.32 and 1,583.27 is: 2,374.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786.17 : 2,679.32 = 1,583.27 : x
  2. Step 2: Convert to fraction form
    1,786.17/2,679.32 = 1,583.27/x
  3. Step 3: Cross multiply
    1,786.17x = 2,679.32 × 1,583.27
  4. Step 4: Simplify right side
    1,786.17x = 4,242,065.66
  5. Step 5: Solve for x
    x = 4,242,065.66/1,786.17
  6. Step 6: Final answer
    x = 2,374.95

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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.