Home / 3,112.88-4,661.04-2,567.50

Finding the Fourth Proportional to 3,112.88, 4,661.04 and 2,567.50

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Solution

The fourth proportional to 3,112.88, 4,661.04 and 2,567.50 is: 3,844.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.88 : 4,661.04 = 2,567.50 : x
  2. Step 2: Convert to fraction form
    3,112.88/4,661.04 = 2,567.50/x
  3. Step 3: Cross multiply
    3,112.88x = 4,661.04 × 2,567.50
  4. Step 4: Simplify right side
    3,112.88x = 11,967,218.18
  5. Step 5: Solve for x
    x = 11,967,218.18/3,112.88
  6. Step 6: Final answer
    x = 3,844.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.