Home / 3,390.12-4,680.36-2,544

Finding the Fourth Proportional to 3,390.12, 4,680.36 and 2,544

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Solution

The fourth proportional to 3,390.12, 4,680.36 and 2,544 is: 3,512.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.12 : 4,680.36 = 2,544 : x
  2. Step 2: Convert to fraction form
    3,390.12/4,680.36 = 2,544/x
  3. Step 3: Cross multiply
    3,390.12x = 4,680.36 × 2,544
  4. Step 4: Simplify right side
    3,390.12x = 11,906,835.84
  5. Step 5: Solve for x
    x = 11,906,835.84/3,390.12
  6. Step 6: Final answer
    x = 3,512.22

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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.