Home / 3,531.12-4,872.12-2,272.59

Finding the Fourth Proportional to 3,531.12, 4,872.12 and 2,272.59

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Solution

The fourth proportional to 3,531.12, 4,872.12 and 2,272.59 is: 3,135.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.12 : 4,872.12 = 2,272.59 : x
  2. Step 2: Convert to fraction form
    3,531.12/4,872.12 = 2,272.59/x
  3. Step 3: Cross multiply
    3,531.12x = 4,872.12 × 2,272.59
  4. Step 4: Simplify right side
    3,531.12x = 11,072,331.19
  5. Step 5: Solve for x
    x = 11,072,331.19/3,531.12
  6. Step 6: Final answer
    x = 3,135.64

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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.