Home / 1,814.04-2,719.31-718.38

Finding the Fourth Proportional to 1,814.04, 2,719.31 and 718.38

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Solution

The fourth proportional to 1,814.04, 2,719.31 and 718.38 is: 1,076.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814.04 : 2,719.31 = 718.38 : x
  2. Step 2: Convert to fraction form
    1,814.04/2,719.31 = 718.38/x
  3. Step 3: Cross multiply
    1,814.04x = 2,719.31 × 718.38
  4. Step 4: Simplify right side
    1,814.04x = 1,953,494.33
  5. Step 5: Solve for x
    x = 1,953,494.33/1,814.04
  6. Step 6: Final answer
    x = 1,076.88

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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.