Home / 1,814.54-2,505.47-1,394.21

Finding the Fourth Proportional to 1,814.54, 2,505.47 and 1,394.21

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Solution

The fourth proportional to 1,814.54, 2,505.47 and 1,394.21 is: 1,925.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814.54 : 2,505.47 = 1,394.21 : x
  2. Step 2: Convert to fraction form
    1,814.54/2,505.47 = 1,394.21/x
  3. Step 3: Cross multiply
    1,814.54x = 2,505.47 × 1,394.21
  4. Step 4: Simplify right side
    1,814.54x = 3,493,150.62
  5. Step 5: Solve for x
    x = 3,493,150.62/1,814.54
  6. Step 6: Final answer
    x = 1,925.09

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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.