Home / 2,445.67-3,374.81-1,383.54

Finding the Fourth Proportional to 2,445.67, 3,374.81 and 1,383.54

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Solution

The fourth proportional to 2,445.67, 3,374.81 and 1,383.54 is: 1,909.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.67 : 3,374.81 = 1,383.54 : x
  2. Step 2: Convert to fraction form
    2,445.67/3,374.81 = 1,383.54/x
  3. Step 3: Cross multiply
    2,445.67x = 3,374.81 × 1,383.54
  4. Step 4: Simplify right side
    2,445.67x = 4,669,171.64
  5. Step 5: Solve for x
    x = 4,669,171.64/2,445.67
  6. Step 6: Final answer
    x = 1,909.15

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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.