Home / 3,308.45-4,567.19-2,130.17

Finding the Fourth Proportional to 3,308.45, 4,567.19 and 2,130.17

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Solution

The fourth proportional to 3,308.45, 4,567.19 and 2,130.17 is: 2,940.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.45 : 4,567.19 = 2,130.17 : x
  2. Step 2: Convert to fraction form
    3,308.45/4,567.19 = 2,130.17/x
  3. Step 3: Cross multiply
    3,308.45x = 4,567.19 × 2,130.17
  4. Step 4: Simplify right side
    3,308.45x = 9,728,857.64
  5. Step 5: Solve for x
    x = 9,728,857.64/3,308.45
  6. Step 6: Final answer
    x = 2,940.61

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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.