Home / 3,308.96-4,570.36-2,639.09

Finding the Fourth Proportional to 3,308.96, 4,570.36 and 2,639.09

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Solution

The fourth proportional to 3,308.96, 4,570.36 and 2,639.09 is: 3,645.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.96 : 4,570.36 = 2,639.09 : x
  2. Step 2: Convert to fraction form
    3,308.96/4,570.36 = 2,639.09/x
  3. Step 3: Cross multiply
    3,308.96x = 4,570.36 × 2,639.09
  4. Step 4: Simplify right side
    3,308.96x = 12,061,596.20
  5. Step 5: Solve for x
    x = 12,061,596.20/3,308.96
  6. Step 6: Final answer
    x = 3,645.13

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1.5x scale

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.