Home / 3,308.28-4,565.16-1,911.12

Finding the Fourth Proportional to 3,308.28, 4,565.16 and 1,911.12

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Solution

The fourth proportional to 3,308.28, 4,565.16 and 1,911.12 is: 2,637.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.28 : 4,565.16 = 1,911.12 : x
  2. Step 2: Convert to fraction form
    3,308.28/4,565.16 = 1,911.12/x
  3. Step 3: Cross multiply
    3,308.28x = 4,565.16 × 1,911.12
  4. Step 4: Simplify right side
    3,308.28x = 8,724,568.58
  5. Step 5: Solve for x
    x = 8,724,568.58/3,308.28
  6. Step 6: Final answer
    x = 2,637.19

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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.