Home / 3,531.24-4,872.57-2,114.60

Finding the Fourth Proportional to 3,531.24, 4,872.57 and 2,114.60

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Solution

The fourth proportional to 3,531.24, 4,872.57 and 2,114.60 is: 2,917.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.24 : 4,872.57 = 2,114.60 : x
  2. Step 2: Convert to fraction form
    3,531.24/4,872.57 = 2,114.60/x
  3. Step 3: Cross multiply
    3,531.24x = 4,872.57 × 2,114.60
  4. Step 4: Simplify right side
    3,531.24x = 10,303,512.16
  5. Step 5: Solve for x
    x = 10,303,512.16/3,531.24
  6. Step 6: Final answer
    x = 2,917.82

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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.