Home / 1,764.11-2,646.18-1,216.14

Finding the Fourth Proportional to 1,764.11, 2,646.18 and 1,216.14

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Solution

The fourth proportional to 1,764.11, 2,646.18 and 1,216.14 is: 1,824.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764.11 : 2,646.18 = 1,216.14 : x
  2. Step 2: Convert to fraction form
    1,764.11/2,646.18 = 1,216.14/x
  3. Step 3: Cross multiply
    1,764.11x = 2,646.18 × 1,216.14
  4. Step 4: Simplify right side
    1,764.11x = 3,218,135.00
  5. Step 5: Solve for x
    x = 3,218,135.00/1,764.11
  6. Step 6: Final answer
    x = 1,824.23

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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.