Home / 1,451.22-2,177.01-1,218.66

Finding the Fourth Proportional to 1,451.22, 2,177.01 and 1,218.66

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Solution

The fourth proportional to 1,451.22, 2,177.01 and 1,218.66 is: 1,828.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451.22 : 2,177.01 = 1,218.66 : x
  2. Step 2: Convert to fraction form
    1,451.22/2,177.01 = 1,218.66/x
  3. Step 3: Cross multiply
    1,451.22x = 2,177.01 × 1,218.66
  4. Step 4: Simplify right side
    1,451.22x = 2,653,035.01
  5. Step 5: Solve for x
    x = 2,653,035.01/1,451.22
  6. Step 6: Final answer
    x = 1,828.14

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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.