Home / 2,354.31-3,249-1,306.35

Finding the Fourth Proportional to 2,354.31, 3,249 and 1,306.35

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Solution

The fourth proportional to 2,354.31, 3,249 and 1,306.35 is: 1,802.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,354.31 : 3,249 = 1,306.35 : x
  2. Step 2: Convert to fraction form
    2,354.31/3,249 = 1,306.35/x
  3. Step 3: Cross multiply
    2,354.31x = 3,249 × 1,306.35
  4. Step 4: Simplify right side
    2,354.31x = 4,244,331.15
  5. Step 5: Solve for x
    x = 4,244,331.15/2,354.31
  6. Step 6: Final answer
    x = 1,802.79

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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.