Home / 3,308.54-4,565.78-1,911.29

Finding the Fourth Proportional to 3,308.54, 4,565.78 and 1,911.29

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Solution

The fourth proportional to 3,308.54, 4,565.78 and 1,911.29 is: 2,637.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.54 : 4,565.78 = 1,911.29 : x
  2. Step 2: Convert to fraction form
    3,308.54/4,565.78 = 1,911.29/x
  3. Step 3: Cross multiply
    3,308.54x = 4,565.78 × 1,911.29
  4. Step 4: Simplify right side
    3,308.54x = 8,726,511.61
  5. Step 5: Solve for x
    x = 8,726,511.61/3,308.54
  6. Step 6: Final answer
    x = 2,637.58

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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.