Home / 2,513.18-3,468.18-1,394.11

Finding the Fourth Proportional to 2,513.18, 3,468.18 and 1,394.11

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Solution

The fourth proportional to 2,513.18, 3,468.18 and 1,394.11 is: 1,923.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,513.18 : 3,468.18 = 1,394.11 : x
  2. Step 2: Convert to fraction form
    2,513.18/3,468.18 = 1,394.11/x
  3. Step 3: Cross multiply
    2,513.18x = 3,468.18 × 1,394.11
  4. Step 4: Simplify right side
    2,513.18x = 4,835,004.44
  5. Step 5: Solve for x
    x = 4,835,004.44/2,513.18
  6. Step 6: Final answer
    x = 1,923.86

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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.